diff --git "a/train.json" "b/train.json" --- "a/train.json" +++ "b/train.json" @@ -10,26 +10,10 @@ "D" ], "text": [ - [ - "Exoplanet", - "Black hole", - "Neutron star" - ], - [ - "Binary system", - "Black hole", - "Accreting object" - ], - [ - "Binary system", - "Black hole", - "Neutron star" - ], - [ - "Circumstellar disk", - "Black hole", - "Neutron star" - ] + "Exoplanet, Black hole, Neutron star", + "Binary system, Black hole, Accreting object", + "Binary system, Black hole, Neutron star", + "Circumstellar disk, Black hole, Neutron star" ] }, "answerKey": "C" @@ -45,18 +29,10 @@ "D" ], "text": [ - [ - "Binary system" - ], - [ - "Black hole" - ], - [ - "Neutron star" - ], - [ - "Pulsar" - ] + "Binary system", + "Black hole", + "Neutron star", + "Pulsar" ] }, "answerKey": "D" @@ -72,26 +48,10 @@ "D" ], "text": [ - [ - "Accreting object", - "Pulsar", - "Neutron star" - ], - [ - "Accreting object", - "Pulsar", - "Supernova" - ], - [ - "Accreting object", - "Pulsar", - "Repeater" - ], - [ - "Variable star", - "Pulsar", - "Neutron star" - ] + "Accreting object, Pulsar, Neutron star", + "Accreting object, Pulsar, Supernova", + "Accreting object, Pulsar, Repeater", + "Variable star, Pulsar, Neutron star" ] }, "answerKey": "A" @@ -107,22 +67,10 @@ "D" ], "text": [ - [ - "Black hole", - "Nova" - ], - [ - "Black hole", - "Neutron star" - ], - [ - "Neutron star", - "Neutron star" - ], - [ - "Circumstellar disk", - "Neutron star" - ] + "Black hole, Nova", + "Black hole, Neutron star", + "Neutron star, Neutron star", + "Circumstellar disk, Neutron star" ] }, "answerKey": "B" @@ -138,22 +86,10 @@ "D" ], "text": [ - [ - "Quasar", - "Pulsar" - ], - [ - "Neutron star", - "Repeater" - ], - [ - "Supernova", - "Pulsar" - ], - [ - "Neutron star", - "Pulsar" - ] + "Quasar, Pulsar", + "Neutron star, Repeater", + "Supernova, Pulsar", + "Neutron star, Pulsar" ] }, "answerKey": "D" @@ -169,18 +105,10 @@ "D" ], "text": [ - [ - "Circumstellar disk" - ], - [ - "Variable star" - ], - [ - "Accreting object" - ], - [ - "Binary system" - ] + "Circumstellar disk", + "Variable star", + "Accreting object", + "Binary system" ] }, "answerKey": "D" @@ -196,18 +124,10 @@ "D" ], "text": [ - [ - "Nova" - ], - [ - "Galaxy" - ], - [ - "Black hole" - ], - [ - "Supernova" - ] + "Nova", + "Galaxy", + "Black hole", + "Supernova" ] }, "answerKey": "D" @@ -223,22 +143,10 @@ "D" ], "text": [ - [ - "Globular cluster", - "Black hole" - ], - [ - "Supernova", - "Black hole" - ], - [ - "Active galactic nucleus", - "Black hole" - ], - [ - "Binary system", - "Black hole" - ] + "Globular cluster, Black hole", + "Supernova, Black hole", + "Active galactic nucleus, Black hole", + "Binary system, Black hole" ] }, "answerKey": "D" @@ -254,22 +162,10 @@ "D" ], "text": [ - [ - "Black hole", - "Near-Earth object" - ], - [ - "Black hole", - "Binary system" - ], - [ - "Black hole", - "Supernova" - ], - [ - "Black hole", - "Neutron star" - ] + "Black hole, Near-Earth object", + "Black hole, Binary system", + "Black hole, Supernova", + "Black hole, Neutron star" ] }, "answerKey": "D" @@ -285,18 +181,10 @@ "D" ], "text": [ - [ - "Active galactic nucleus" - ], - [ - "Binary system" - ], - [ - "Stellar evolution" - ], - [ - "Interstellar medium" - ] + "Active galactic nucleus", + "Binary system", + "Stellar evolution", + "Interstellar medium" ] }, "answerKey": "C" @@ -312,18 +200,10 @@ "D" ], "text": [ - [ - "Pulsar" - ], - [ - "Circumstellar disk" - ], - [ - "Accreting object" - ], - [ - "Exoplanet" - ] + "Pulsar", + "Circumstellar disk", + "Accreting object", + "Exoplanet" ] }, "answerKey": "C" @@ -339,18 +219,10 @@ "D" ], "text": [ - [ - "Interstellar medium" - ], - [ - "Pulsar" - ], - [ - "Supernova" - ], - [ - "Globular cluster" - ] + "Interstellar medium", + "Pulsar", + "Supernova", + "Globular cluster" ] }, "answerKey": "C" @@ -366,18 +238,10 @@ "D" ], "text": [ - [ - "Supernova" - ], - [ - "Galaxy" - ], - [ - "Quasar" - ], - [ - "Circumstellar disk" - ] + "Supernova", + "Galaxy", + "Quasar", + "Circumstellar disk" ] }, "answerKey": "A" @@ -393,22 +257,10 @@ "D" ], "text": [ - [ - "Binary system", - "Exoplanet" - ], - [ - "Binary system", - "Globular cluster" - ], - [ - "Circumstellar disk", - "Black hole" - ], - [ - "Binary system", - "Black hole" - ] + "Binary system, Exoplanet", + "Binary system, Globular cluster", + "Circumstellar disk, Black hole", + "Binary system, Black hole" ] }, "answerKey": "D" @@ -424,22 +276,10 @@ "D" ], "text": [ - [ - "Binary system", - "Pulsar" - ], - [ - "Binary system", - "Binary system" - ], - [ - "Binary system", - "Neutron star" - ], - [ - "Near-Earth object", - "Neutron star" - ] + "Binary system, Pulsar", + "Binary system, Binary system", + "Binary system, Neutron star", + "Near-Earth object, Neutron star" ] }, "answerKey": "C" @@ -455,18 +295,10 @@ "D" ], "text": [ - [ - "Exoplanet" - ], - [ - "Near-Earth object" - ], - [ - "Neutron star" - ], - [ - "Quasar" - ] + "Exoplanet", + "Near-Earth object", + "Neutron star", + "Quasar" ] }, "answerKey": "C" @@ -482,18 +314,10 @@ "D" ], "text": [ - [ - "Repeater" - ], - [ - "Neutron star" - ], - [ - "Black hole" - ], - [ - "Supernova" - ] + "Repeater", + "Neutron star", + "Black hole", + "Supernova" ] }, "answerKey": "D" @@ -509,22 +333,10 @@ "D" ], "text": [ - [ - "Galaxy", - "Pulsar" - ], - [ - "Galaxy", - "Quasar" - ], - [ - "Galaxy", - "Supernova" - ], - [ - "Minor body", - "Pulsar" - ] + "Galaxy, Pulsar", + "Galaxy, Quasar", + "Galaxy, Supernova", + "Minor body, Pulsar" ] }, "answerKey": "A" @@ -540,18 +352,10 @@ "D" ], "text": [ - [ - "Binary system" - ], - [ - "Neutron star" - ], - [ - "Supernova" - ], - [ - "Exoplanet" - ] + "Binary system", + "Neutron star", + "Supernova", + "Exoplanet" ] }, "answerKey": "C" @@ -567,18 +371,10 @@ "D" ], "text": [ - [ - "Supernova" - ], - [ - "Galaxy" - ], - [ - "Exoplanet" - ], - [ - "Black hole" - ] + "Supernova", + "Galaxy", + "Exoplanet", + "Black hole" ] }, "answerKey": "D" @@ -594,18 +390,10 @@ "D" ], "text": [ - [ - "Supernova" - ], - [ - "Variable star" - ], - [ - "Exoplanet" - ], - [ - "Interstellar medium" - ] + "Supernova", + "Variable star", + "Exoplanet", + "Interstellar medium" ] }, "answerKey": "B" @@ -621,18 +409,10 @@ "D" ], "text": [ - [ - "Galaxy" - ], - [ - "Globular cluster" - ], - [ - "Pulsar" - ], - [ - "Binary system" - ] + "Galaxy", + "Globular cluster", + "Pulsar", + "Binary system" ] }, "answerKey": "D" @@ -648,22 +428,10 @@ "D" ], "text": [ - [ - "Accreting object", - "Stellar evolution" - ], - [ - "Accreting object", - "Interstellar medium" - ], - [ - "Accreting object", - "Binary system" - ], - [ - "Near-Earth object", - "Binary system" - ] + "Accreting object, Stellar evolution", + "Accreting object, Interstellar medium", + "Accreting object, Binary system", + "Near-Earth object, Binary system" ] }, "answerKey": "C" @@ -679,22 +447,10 @@ "D" ], "text": [ - [ - "Supernova", - "Supernova" - ], - [ - "Near-Earth object", - "Circumstellar disk" - ], - [ - "Supernova", - "Near-Earth object" - ], - [ - "Supernova", - "Circumstellar disk" - ] + "Supernova, Supernova", + "Near-Earth object, Circumstellar disk", + "Supernova, Near-Earth object", + "Supernova, Circumstellar disk" ] }, "answerKey": "D" @@ -710,18 +466,10 @@ "D" ], "text": [ - [ - "Supernova" - ], - [ - "Near-Earth object" - ], - [ - "Nova" - ], - [ - "Binary system" - ] + "Supernova", + "Near-Earth object", + "Nova", + "Binary system" ] }, "answerKey": "A" @@ -737,18 +485,10 @@ "D" ], "text": [ - [ - "Active galactic nucleus" - ], - [ - "Repeater" - ], - [ - "Near-Earth object" - ], - [ - "Minor body" - ] + "Active galactic nucleus", + "Repeater", + "Near-Earth object", + "Minor body" ] }, "answerKey": "A" @@ -764,22 +504,10 @@ "D" ], "text": [ - [ - "Accreting object", - "Neutron star" - ], - [ - "Accreting object", - "Variable star" - ], - [ - "Repeater", - "Neutron star" - ], - [ - "Quasar", - "Neutron star" - ] + "Accreting object, Neutron star", + "Accreting object, Variable star", + "Repeater, Neutron star", + "Quasar, Neutron star" ] }, "answerKey": "A" @@ -795,18 +523,10 @@ "D" ], "text": [ - [ - "Magnetar" - ], - [ - "Stellar evolution" - ], - [ - "Black hole" - ], - [ - "Repeater" - ] + "Magnetar", + "Stellar evolution", + "Black hole", + "Repeater" ] }, "answerKey": "C" @@ -822,18 +542,10 @@ "D" ], "text": [ - [ - "Variable star" - ], - [ - "Neutron star" - ], - [ - "Supernova" - ], - [ - "Black hole" - ] + "Variable star", + "Neutron star", + "Supernova", + "Black hole" ] }, "answerKey": "C" @@ -849,18 +561,10 @@ "D" ], "text": [ - [ - "Neutron star" - ], - [ - "Quasar" - ], - [ - "Pulsar" - ], - [ - "Near-Earth object" - ] + "Neutron star", + "Quasar", + "Pulsar", + "Near-Earth object" ] }, "answerKey": "A" @@ -876,18 +580,10 @@ "D" ], "text": [ - [ - "Magnetar" - ], - [ - "Nova" - ], - [ - "Black hole" - ], - [ - "Variable star" - ] + "Magnetar", + "Nova", + "Black hole", + "Variable star" ] }, "answerKey": "C" @@ -903,18 +599,10 @@ "D" ], "text": [ - [ - "Galaxy" - ], - [ - "Globular cluster" - ], - [ - "Repeater" - ], - [ - "Supernova" - ] + "Galaxy", + "Globular cluster", + "Repeater", + "Supernova" ] }, "answerKey": "D" @@ -930,22 +618,10 @@ "D" ], "text": [ - [ - "Neutron star", - "Interstellar medium" - ], - [ - "Neutron star", - "Binary system" - ], - [ - "Neutron star", - "Pulsar" - ], - [ - "Neutron star", - "Neutron star" - ] + "Neutron star, Interstellar medium", + "Neutron star, Binary system", + "Neutron star, Pulsar", + "Neutron star, Neutron star" ] }, "answerKey": "B" @@ -961,26 +637,10 @@ "D" ], "text": [ - [ - "Binary system", - "Accreting object", - "Binary system" - ], - [ - "Black hole", - "Accreting object", - "Binary system" - ], - [ - "Black hole", - "Accreting object", - "Exoplanet" - ], - [ - "Variable star", - "Accreting object", - "Binary system" - ] + "Binary system, Accreting object, Binary system", + "Black hole, Accreting object, Binary system", + "Black hole, Accreting object, Exoplanet", + "Variable star, Accreting object, Binary system" ] }, "answerKey": "B" @@ -996,22 +656,10 @@ "D" ], "text": [ - [ - "Supernova", - "Accreting object" - ], - [ - "Active galactic nucleus", - "Accreting object" - ], - [ - "Magnetar", - "Accreting object" - ], - [ - "Binary system", - "Accreting object" - ] + "Supernova, Accreting object", + "Active galactic nucleus, Accreting object", + "Magnetar, Accreting object", + "Binary system, Accreting object" ] }, "answerKey": "D" @@ -1027,22 +675,10 @@ "D" ], "text": [ - [ - "Accreting object", - "Binary system" - ], - [ - "Accreting object", - "Nova" - ], - [ - "Interstellar medium", - "Binary system" - ], - [ - "Accreting object", - "Accreting object" - ] + "Accreting object, Binary system", + "Accreting object, Nova", + "Interstellar medium, Binary system", + "Accreting object, Accreting object" ] }, "answerKey": "A" @@ -1058,18 +694,10 @@ "D" ], "text": [ - [ - "Globular cluster" - ], - [ - "Quasar" - ], - [ - "Minor body" - ], - [ - "Black hole" - ] + "Globular cluster", + "Quasar", + "Minor body", + "Black hole" ] }, "answerKey": "B" @@ -1085,18 +713,10 @@ "D" ], "text": [ - [ - "Stellar evolution" - ], - [ - "Active galactic nucleus" - ], - [ - "Black hole" - ], - [ - "Galaxy" - ] + "Stellar evolution", + "Active galactic nucleus", + "Black hole", + "Galaxy" ] }, "answerKey": "C" @@ -1112,18 +732,10 @@ "D" ], "text": [ - [ - "Neutron star" - ], - [ - "Galaxy" - ], - [ - "Stellar evolution" - ], - [ - "Black hole" - ] + "Neutron star", + "Galaxy", + "Stellar evolution", + "Black hole" ] }, "answerKey": "B" @@ -1139,18 +751,10 @@ "D" ], "text": [ - [ - "Nova" - ], - [ - "Neutron star" - ], - [ - "Black hole" - ], - [ - "Minor body" - ] + "Nova", + "Neutron star", + "Black hole", + "Minor body" ] }, "answerKey": "C" @@ -1166,18 +770,10 @@ "D" ], "text": [ - [ - "Supernova" - ], - [ - "Globular cluster" - ], - [ - "Stellar evolution" - ], - [ - "Binary system" - ] + "Supernova", + "Globular cluster", + "Stellar evolution", + "Binary system" ] }, "answerKey": "A" @@ -1193,18 +789,10 @@ "D" ], "text": [ - [ - "Black hole" - ], - [ - "Exoplanet" - ], - [ - "Galaxy" - ], - [ - "Nova" - ] + "Black hole", + "Exoplanet", + "Galaxy", + "Nova" ] }, "answerKey": "A" @@ -1220,18 +808,10 @@ "D" ], "text": [ - [ - "Active galactic nucleus" - ], - [ - "Binary system" - ], - [ - "Pulsar" - ], - [ - "Supernova" - ] + "Active galactic nucleus", + "Binary system", + "Pulsar", + "Supernova" ] }, "answerKey": "D" @@ -1247,22 +827,10 @@ "D" ], "text": [ - [ - "Neutron star", - "Active galactic nucleus" - ], - [ - "Circumstellar disk", - "Binary system" - ], - [ - "Neutron star", - "Binary system" - ], - [ - "Neutron star", - "Stellar evolution" - ] + "Neutron star, Active galactic nucleus", + "Circumstellar disk, Binary system", + "Neutron star, Binary system", + "Neutron star, Stellar evolution" ] }, "answerKey": "C" @@ -1278,30 +846,10 @@ "D" ], "text": [ - [ - "Active galactic nucleus", - "Black hole", - "Black hole", - "Binary system" - ], - [ - "Active galactic nucleus", - "Black hole", - "Black hole", - "Quasar" - ], - [ - "Active galactic nucleus", - "Black hole", - "Black hole", - "Repeater" - ], - [ - "Active galactic nucleus", - "Black hole", - "Active galactic nucleus", - "Quasar" - ] + "Active galactic nucleus, Black hole, Black hole, Binary system", + "Active galactic nucleus, Black hole, Black hole, Quasar", + "Active galactic nucleus, Black hole, Black hole, Repeater", + "Active galactic nucleus, Black hole, Active galactic nucleus, Quasar" ] }, "answerKey": "B" @@ -1317,22 +865,10 @@ "D" ], "text": [ - [ - "Nova", - "Variable star" - ], - [ - "Nova", - "Circumstellar disk" - ], - [ - "Variable star", - "Variable star" - ], - [ - "Accreting object", - "Variable star" - ] + "Nova, Variable star", + "Nova, Circumstellar disk", + "Variable star, Variable star", + "Accreting object, Variable star" ] }, "answerKey": "A" @@ -1348,22 +884,10 @@ "D" ], "text": [ - [ - "Black hole", - "Accreting object" - ], - [ - "Neutron star", - "Accreting object" - ], - [ - "Quasar", - "Accreting object" - ], - [ - "Nova", - "Accreting object" - ] + "Black hole, Accreting object", + "Neutron star, Accreting object", + "Quasar, Accreting object", + "Nova, Accreting object" ] }, "answerKey": "A" @@ -1379,18 +903,10 @@ "D" ], "text": [ - [ - "Binary system" - ], - [ - "Nova" - ], - [ - "Star and stellar system" - ], - [ - "Black hole" - ] + "Binary system", + "Nova", + "Star and stellar system", + "Black hole" ] }, "answerKey": "D" @@ -1406,18 +922,10 @@ "D" ], "text": [ - [ - "Supernova" - ], - [ - "Black hole" - ], - [ - "Galaxy" - ], - [ - "Interstellar medium" - ] + "Supernova", + "Black hole", + "Galaxy", + "Interstellar medium" ] }, "answerKey": "B" @@ -1433,18 +941,10 @@ "D" ], "text": [ - [ - "Globular cluster" - ], - [ - "Quasar" - ], - [ - "Supernova" - ], - [ - "Black hole" - ] + "Globular cluster", + "Quasar", + "Supernova", + "Black hole" ] }, "answerKey": "C" @@ -1460,22 +960,10 @@ "D" ], "text": [ - [ - "Black hole", - "Black hole" - ], - [ - "Repeater", - "Black hole" - ], - [ - "Black hole", - "Pulsar" - ], - [ - "Nova", - "Black hole" - ] + "Black hole, Black hole", + "Repeater, Black hole", + "Black hole, Pulsar", + "Nova, Black hole" ] }, "answerKey": "A" @@ -1491,18 +979,10 @@ "D" ], "text": [ - [ - "Binary system" - ], - [ - "Quasar" - ], - [ - "Magnetar" - ], - [ - "Black hole" - ] + "Binary system", + "Quasar", + "Magnetar", + "Black hole" ] }, "answerKey": "D" @@ -1518,22 +998,10 @@ "D" ], "text": [ - [ - "Nova", - "Quasar" - ], - [ - "Globular cluster", - "Variable star" - ], - [ - "Nova", - "Variable star" - ], - [ - "Nova", - "Near-Earth object" - ] + "Nova, Quasar", + "Globular cluster, Variable star", + "Nova, Variable star", + "Nova, Near-Earth object" ] }, "answerKey": "C" @@ -1549,18 +1017,10 @@ "D" ], "text": [ - [ - "Stellar evolution" - ], - [ - "Binary system" - ], - [ - "Supernova" - ], - [ - "Circumstellar disk" - ] + "Stellar evolution", + "Binary system", + "Supernova", + "Circumstellar disk" ] }, "answerKey": "C" @@ -1576,22 +1036,10 @@ "D" ], "text": [ - [ - "Black hole", - "Interstellar medium" - ], - [ - "Supernova", - "Interstellar medium" - ], - [ - "Near-Earth object", - "Interstellar medium" - ], - [ - "Circumstellar disk", - "Interstellar medium" - ] + "Black hole, Interstellar medium", + "Supernova, Interstellar medium", + "Near-Earth object, Interstellar medium", + "Circumstellar disk, Interstellar medium" ] }, "answerKey": "B" @@ -1607,18 +1055,10 @@ "D" ], "text": [ - [ - "Supernova" - ], - [ - "Black hole" - ], - [ - "Neutron star" - ], - [ - "Interstellar medium" - ] + "Supernova", + "Black hole", + "Neutron star", + "Interstellar medium" ] }, "answerKey": "A" @@ -1634,18 +1074,10 @@ "D" ], "text": [ - [ - "Near-Earth object" - ], - [ - "Supernova" - ], - [ - "Interstellar medium" - ], - [ - "Repeater" - ] + "Near-Earth object", + "Supernova", + "Interstellar medium", + "Repeater" ] }, "answerKey": "B" @@ -1661,22 +1093,10 @@ "D" ], "text": [ - [ - "Magnetar", - "Active galactic nucleus" - ], - [ - "Accreting object", - "Active galactic nucleus" - ], - [ - "Galaxy", - "Pulsar" - ], - [ - "Galaxy", - "Active galactic nucleus" - ] + "Magnetar, Active galactic nucleus", + "Accreting object, Active galactic nucleus", + "Galaxy, Pulsar", + "Galaxy, Active galactic nucleus" ] }, "answerKey": "D" @@ -1692,18 +1112,10 @@ "D" ], "text": [ - [ - "Near-Earth object" - ], - [ - "Galaxy" - ], - [ - "Stellar evolution" - ], - [ - "Variable star" - ] + "Near-Earth object", + "Galaxy", + "Stellar evolution", + "Variable star" ] }, "answerKey": "B" @@ -1719,18 +1131,10 @@ "D" ], "text": [ - [ - "Supernova" - ], - [ - "Variable star" - ], - [ - "Magnetar" - ], - [ - "Nova" - ] + "Supernova", + "Variable star", + "Magnetar", + "Nova" ] }, "answerKey": "A" @@ -1746,22 +1150,10 @@ "D" ], "text": [ - [ - "Exoplanet", - "Nova" - ], - [ - "Variable star", - "Nova" - ], - [ - "Pulsar", - "Nova" - ], - [ - "Minor body", - "Nova" - ] + "Exoplanet, Nova", + "Variable star, Nova", + "Pulsar, Nova", + "Minor body, Nova" ] }, "answerKey": "B" @@ -1777,18 +1169,10 @@ "D" ], "text": [ - [ - "Stellar evolution" - ], - [ - "Galaxy" - ], - [ - "Nova" - ], - [ - "Binary system" - ] + "Stellar evolution", + "Galaxy", + "Nova", + "Binary system" ] }, "answerKey": "C" @@ -1804,18 +1188,10 @@ "D" ], "text": [ - [ - "Supernova" - ], - [ - "Globular cluster" - ], - [ - "Near-Earth object" - ], - [ - "Black hole" - ] + "Supernova", + "Globular cluster", + "Near-Earth object", + "Black hole" ] }, "answerKey": "D" @@ -1831,22 +1207,10 @@ "D" ], "text": [ - [ - "Pulsar", - "Binary system" - ], - [ - "Nova", - "Variable star" - ], - [ - "Galaxy", - "Binary system" - ], - [ - "Nova", - "Binary system" - ] + "Pulsar, Binary system", + "Nova, Variable star", + "Galaxy, Binary system", + "Nova, Binary system" ] }, "answerKey": "D" @@ -1862,18 +1226,10 @@ "D" ], "text": [ - [ - "Galaxy" - ], - [ - "Stellar evolution" - ], - [ - "Pulsar" - ], - [ - "Star and stellar system" - ] + "Galaxy", + "Stellar evolution", + "Pulsar", + "Star and stellar system" ] }, "answerKey": "A" @@ -1889,18 +1245,10 @@ "D" ], "text": [ - [ - "Quasar" - ], - [ - "Nova" - ], - [ - "Black hole" - ], - [ - "Circumstellar disk" - ] + "Quasar", + "Nova", + "Black hole", + "Circumstellar disk" ] }, "answerKey": "A" @@ -1916,18 +1264,10 @@ "D" ], "text": [ - [ - "Supernova" - ], - [ - "Magnetar" - ], - [ - "Pulsar" - ], - [ - "Black hole" - ] + "Supernova", + "Magnetar", + "Pulsar", + "Black hole" ] }, "answerKey": "A" @@ -1943,18 +1283,10 @@ "D" ], "text": [ - [ - "Accreting object" - ], - [ - "Repeater" - ], - [ - "Quasar" - ], - [ - "Stellar evolution" - ] + "Accreting object", + "Repeater", + "Quasar", + "Stellar evolution" ] }, "answerKey": "A" @@ -1970,18 +1302,10 @@ "D" ], "text": [ - [ - "Near-Earth object" - ], - [ - "Magnetar" - ], - [ - "Binary system" - ], - [ - "Black hole" - ] + "Near-Earth object", + "Magnetar", + "Binary system", + "Black hole" ] }, "answerKey": "D" @@ -1997,18 +1321,10 @@ "D" ], "text": [ - [ - "Binary system" - ], - [ - "Supernova" - ], - [ - "Globular cluster" - ], - [ - "Neutron star" - ] + "Binary system", + "Supernova", + "Globular cluster", + "Neutron star" ] }, "answerKey": "B" @@ -2024,18 +1340,10 @@ "D" ], "text": [ - [ - "Pulsar" - ], - [ - "Exoplanet" - ], - [ - "Star and stellar system" - ], - [ - "Binary system" - ] + "Pulsar", + "Exoplanet", + "Star and stellar system", + "Binary system" ] }, "answerKey": "D" @@ -2051,22 +1359,10 @@ "D" ], "text": [ - [ - "Interstellar medium", - "Stellar evolution" - ], - [ - "Supernova", - "Globular cluster" - ], - [ - "Supernova", - "Stellar evolution" - ], - [ - "Supernova", - "Magnetar" - ] + "Interstellar medium, Stellar evolution", + "Supernova, Globular cluster", + "Supernova, Stellar evolution", + "Supernova, Magnetar" ] }, "answerKey": "C" @@ -2082,18 +1378,10 @@ "D" ], "text": [ - [ - "Exoplanet" - ], - [ - "Magnetar" - ], - [ - "Near-Earth object" - ], - [ - "Supernova" - ] + "Exoplanet", + "Magnetar", + "Near-Earth object", + "Supernova" ] }, "answerKey": "D" @@ -2109,18 +1397,10 @@ "D" ], "text": [ - [ - "Supernova" - ], - [ - "Magnetar" - ], - [ - "Repeater" - ], - [ - "Near-Earth object" - ] + "Supernova", + "Magnetar", + "Repeater", + "Near-Earth object" ] }, "answerKey": "A" @@ -2136,18 +1416,10 @@ "D" ], "text": [ - [ - "Neutron star" - ], - [ - "Circumstellar disk" - ], - [ - "Star and stellar system" - ], - [ - "Black hole" - ] + "Neutron star", + "Circumstellar disk", + "Star and stellar system", + "Black hole" ] }, "answerKey": "A" @@ -2163,18 +1435,10 @@ "D" ], "text": [ - [ - "Active galactic nucleus" - ], - [ - "Variable star" - ], - [ - "Circumstellar disk" - ], - [ - "Quasar" - ] + "Active galactic nucleus", + "Variable star", + "Circumstellar disk", + "Quasar" ] }, "answerKey": "D" @@ -2190,18 +1454,10 @@ "D" ], "text": [ - [ - "Galaxy" - ], - [ - "Neutron star" - ], - [ - "Repeater" - ], - [ - "Black hole" - ] + "Galaxy", + "Neutron star", + "Repeater", + "Black hole" ] }, "answerKey": "B" @@ -2217,18 +1473,10 @@ "D" ], "text": [ - [ - "Circumstellar disk" - ], - [ - "Variable star" - ], - [ - "Pulsar" - ], - [ - "Active galactic nucleus" - ] + "Circumstellar disk", + "Variable star", + "Pulsar", + "Active galactic nucleus" ] }, "answerKey": "D" @@ -2244,18 +1492,10 @@ "D" ], "text": [ - [ - "Stellar evolution" - ], - [ - "Pulsar" - ], - [ - "Supernova" - ], - [ - "Nova" - ] + "Stellar evolution", + "Pulsar", + "Supernova", + "Nova" ] }, "answerKey": "C" @@ -2271,18 +1511,10 @@ "D" ], "text": [ - [ - "Quasar" - ], - [ - "Globular cluster" - ], - [ - "Exoplanet" - ], - [ - "Supernova" - ] + "Quasar", + "Globular cluster", + "Exoplanet", + "Supernova" ] }, "answerKey": "D" @@ -2298,22 +1530,10 @@ "D" ], "text": [ - [ - "Nova", - "Stellar evolution" - ], - [ - "Pulsar", - "Variable star" - ], - [ - "Nova", - "Galaxy" - ], - [ - "Nova", - "Variable star" - ] + "Nova, Stellar evolution", + "Pulsar, Variable star", + "Nova, Galaxy", + "Nova, Variable star" ] }, "answerKey": "D" @@ -2329,18 +1549,10 @@ "D" ], "text": [ - [ - "Active galactic nucleus" - ], - [ - "Interstellar medium" - ], - [ - "Exoplanet" - ], - [ - "Supernova" - ] + "Active galactic nucleus", + "Interstellar medium", + "Exoplanet", + "Supernova" ] }, "answerKey": "D" @@ -2356,18 +1568,10 @@ "D" ], "text": [ - [ - "Interstellar medium" - ], - [ - "Nova" - ], - [ - "Supernova" - ], - [ - "Galaxy" - ] + "Interstellar medium", + "Nova", + "Supernova", + "Galaxy" ] }, "answerKey": "C" @@ -2383,18 +1587,10 @@ "D" ], "text": [ - [ - "Supernova" - ], - [ - "Accreting object" - ], - [ - "Variable star" - ], - [ - "Nova" - ] + "Supernova", + "Accreting object", + "Variable star", + "Nova" ] }, "answerKey": "A" @@ -2410,22 +1606,10 @@ "D" ], "text": [ - [ - "Black hole", - "Binary system" - ], - [ - "Active galactic nucleus", - "Binary system" - ], - [ - "Black hole", - "Exoplanet" - ], - [ - "Galaxy", - "Binary system" - ] + "Black hole, Binary system", + "Active galactic nucleus, Binary system", + "Black hole, Exoplanet", + "Galaxy, Binary system" ] }, "answerKey": "A" @@ -2441,22 +1625,10 @@ "D" ], "text": [ - [ - "Supernova", - "Variable star" - ], - [ - "Black hole", - "Variable star" - ], - [ - "Magnetar", - "Variable star" - ], - [ - "Black hole", - "Quasar" - ] + "Supernova, Variable star", + "Black hole, Variable star", + "Magnetar, Variable star", + "Black hole, Quasar" ] }, "answerKey": "B" @@ -2472,18 +1644,10 @@ "D" ], "text": [ - [ - "Repeater" - ], - [ - "Supernova" - ], - [ - "Nova" - ], - [ - "Accreting object" - ] + "Repeater", + "Supernova", + "Nova", + "Accreting object" ] }, "answerKey": "B" @@ -2499,22 +1663,10 @@ "D" ], "text": [ - [ - "Supernova", - "Supernova" - ], - [ - "Supernova", - "Variable star" - ], - [ - "Magnetar", - "Variable star" - ], - [ - "Supernova", - "Magnetar" - ] + "Supernova, Supernova", + "Supernova, Variable star", + "Magnetar, Variable star", + "Supernova, Magnetar" ] }, "answerKey": "B" @@ -2530,18 +1682,10 @@ "D" ], "text": [ - [ - "Neutron star" - ], - [ - "Black hole" - ], - [ - "Magnetar" - ], - [ - "Near-Earth object" - ] + "Neutron star", + "Black hole", + "Magnetar", + "Near-Earth object" ] }, "answerKey": "B" @@ -2557,18 +1701,10 @@ "D" ], "text": [ - [ - "Near-Earth object" - ], - [ - "Stellar evolution" - ], - [ - "Variable star" - ], - [ - "Active galactic nucleus" - ] + "Near-Earth object", + "Stellar evolution", + "Variable star", + "Active galactic nucleus" ] }, "answerKey": "C" @@ -2584,18 +1720,10 @@ "D" ], "text": [ - [ - "Galaxy" - ], - [ - "Exoplanet" - ], - [ - "Variable star" - ], - [ - "Binary system" - ] + "Galaxy", + "Exoplanet", + "Variable star", + "Binary system" ] }, "answerKey": "D" @@ -2611,18 +1739,10 @@ "D" ], "text": [ - [ - "Black hole" - ], - [ - "Nova" - ], - [ - "Repeater" - ], - [ - "Star and stellar system" - ] + "Black hole", + "Nova", + "Repeater", + "Star and stellar system" ] }, "answerKey": "B" @@ -2638,18 +1758,10 @@ "D" ], "text": [ - [ - "Exoplanet" - ], - [ - "Supernova" - ], - [ - "Active galactic nucleus" - ], - [ - "Nova" - ] + "Exoplanet", + "Supernova", + "Active galactic nucleus", + "Nova" ] }, "answerKey": "B" @@ -2665,22 +1777,10 @@ "D" ], "text": [ - [ - "Supernova", - "Black hole" - ], - [ - "Nova", - "Black hole" - ], - [ - "Active galactic nucleus", - "Black hole" - ], - [ - "Active galactic nucleus", - "Globular cluster" - ] + "Supernova, Black hole", + "Nova, Black hole", + "Active galactic nucleus, Black hole", + "Active galactic nucleus, Globular cluster" ] }, "answerKey": "C" @@ -2696,22 +1796,10 @@ "D" ], "text": [ - [ - "Variable star", - "Binary system" - ], - [ - "Black hole", - "Circumstellar disk" - ], - [ - "Black hole", - "Star and stellar system" - ], - [ - "Black hole", - "Binary system" - ] + "Variable star, Binary system", + "Black hole, Circumstellar disk", + "Black hole, Star and stellar system", + "Black hole, Binary system" ] }, "answerKey": "D" @@ -2727,18 +1815,10 @@ "D" ], "text": [ - [ - "Supernova" - ], - [ - "Circumstellar disk" - ], - [ - "Quasar" - ], - [ - "Minor body" - ] + "Supernova", + "Circumstellar disk", + "Quasar", + "Minor body" ] }, "answerKey": "A" @@ -2754,18 +1834,10 @@ "D" ], "text": [ - [ - "Supernova" - ], - [ - "Nova" - ], - [ - "Quasar" - ], - [ - "Stellar evolution" - ] + "Supernova", + "Nova", + "Quasar", + "Stellar evolution" ] }, "answerKey": "B" @@ -2781,18 +1853,10 @@ "D" ], "text": [ - [ - "Nova" - ], - [ - "Supernova" - ], - [ - "Circumstellar disk" - ], - [ - "Quasar" - ] + "Nova", + "Supernova", + "Circumstellar disk", + "Quasar" ] }, "answerKey": "B" @@ -2808,18 +1872,10 @@ "D" ], "text": [ - [ - "Stellar evolution" - ], - [ - "Variable star" - ], - [ - "Circumstellar disk" - ], - [ - "Supernova" - ] + "Stellar evolution", + "Variable star", + "Circumstellar disk", + "Supernova" ] }, "answerKey": "D" @@ -2835,22 +1891,10 @@ "D" ], "text": [ - [ - "Near-Earth object", - "Minor body" - ], - [ - "Neutron star", - "Minor body" - ], - [ - "Repeater", - "Minor body" - ], - [ - "Binary system", - "Minor body" - ] + "Near-Earth object, Minor body", + "Neutron star, Minor body", + "Repeater, Minor body", + "Binary system, Minor body" ] }, "answerKey": "D" @@ -2866,18 +1910,10 @@ "D" ], "text": [ - [ - "Stellar evolution" - ], - [ - "Exoplanet" - ], - [ - "Binary system" - ], - [ - "Active galactic nucleus" - ] + "Stellar evolution", + "Exoplanet", + "Binary system", + "Active galactic nucleus" ] }, "answerKey": "D" @@ -2893,18 +1929,10 @@ "D" ], "text": [ - [ - "Variable star" - ], - [ - "Circumstellar disk" - ], - [ - "Neutron star" - ], - [ - "Accreting object" - ] + "Variable star", + "Circumstellar disk", + "Neutron star", + "Accreting object" ] }, "answerKey": "A" @@ -2920,18 +1948,10 @@ "D" ], "text": [ - [ - "Nova" - ], - [ - "Supernova" - ], - [ - "Binary system" - ], - [ - "Quasar" - ] + "Nova", + "Supernova", + "Binary system", + "Quasar" ] }, "answerKey": "B" @@ -2947,18 +1967,10 @@ "D" ], "text": [ - [ - "Exoplanet" - ], - [ - "Supernova" - ], - [ - "Variable star" - ], - [ - "Globular cluster" - ] + "Exoplanet", + "Supernova", + "Variable star", + "Globular cluster" ] }, "answerKey": "B" @@ -2974,18 +1986,10 @@ "D" ], "text": [ - [ - "Accreting object" - ], - [ - "Binary system" - ], - [ - "Near-Earth object" - ], - [ - "Nova" - ] + "Accreting object", + "Binary system", + "Near-Earth object", + "Nova" ] }, "answerKey": "D" @@ -3001,22 +2005,10 @@ "D" ], "text": [ - [ - "Nova", - "Variable star" - ], - [ - "Supernova", - "Variable star" - ], - [ - "Magnetar", - "Variable star" - ], - [ - "Supernova", - "Pulsar" - ] + "Nova, Variable star", + "Supernova, Variable star", + "Magnetar, Variable star", + "Supernova, Pulsar" ] }, "answerKey": "B" @@ -3032,18 +2024,10 @@ "D" ], "text": [ - [ - "Interstellar medium" - ], - [ - "Globular cluster" - ], - [ - "Near-Earth object" - ], - [ - "Nova" - ] + "Interstellar medium", + "Globular cluster", + "Near-Earth object", + "Nova" ] }, "answerKey": "D" @@ -3059,22 +2043,10 @@ "D" ], "text": [ - [ - "Active galactic nucleus", - "Black hole" - ], - [ - "Active galactic nucleus", - "Star and stellar system" - ], - [ - "Active galactic nucleus", - "Accreting object" - ], - [ - "Near-Earth object", - "Black hole" - ] + "Active galactic nucleus, Black hole", + "Active galactic nucleus, Star and stellar system", + "Active galactic nucleus, Accreting object", + "Near-Earth object, Black hole" ] }, "answerKey": "A" @@ -3090,18 +2062,10 @@ "D" ], "text": [ - [ - "Black hole" - ], - [ - "Quasar" - ], - [ - "Binary system" - ], - [ - "Circumstellar disk" - ] + "Black hole", + "Quasar", + "Binary system", + "Circumstellar disk" ] }, "answerKey": "C" @@ -3117,18 +2081,10 @@ "D" ], "text": [ - [ - "Accreting object" - ], - [ - "Quasar" - ], - [ - "Stellar evolution" - ], - [ - "Globular cluster" - ] + "Accreting object", + "Quasar", + "Stellar evolution", + "Globular cluster" ] }, "answerKey": "B" @@ -3144,18 +2100,10 @@ "D" ], "text": [ - [ - "Supernova" - ], - [ - "Exoplanet" - ], - [ - "Magnetar" - ], - [ - "Pulsar" - ] + "Supernova", + "Exoplanet", + "Magnetar", + "Pulsar" ] }, "answerKey": "A" @@ -3171,22 +2119,10 @@ "D" ], "text": [ - [ - "Black hole", - "Near-Earth object" - ], - [ - "Black hole", - "Stellar evolution" - ], - [ - "Circumstellar disk", - "Binary system" - ], - [ - "Black hole", - "Binary system" - ] + "Black hole, Near-Earth object", + "Black hole, Stellar evolution", + "Circumstellar disk, Binary system", + "Black hole, Binary system" ] }, "answerKey": "D" @@ -3202,18 +2138,10 @@ "D" ], "text": [ - [ - "Minor body" - ], - [ - "Variable star" - ], - [ - "Star and stellar system" - ], - [ - "Exoplanet" - ] + "Minor body", + "Variable star", + "Star and stellar system", + "Exoplanet" ] }, "answerKey": "B" @@ -3229,18 +2157,10 @@ "D" ], "text": [ - [ - "Binary system" - ], - [ - "Supernova" - ], - [ - "Variable star" - ], - [ - "Quasar" - ] + "Binary system", + "Supernova", + "Variable star", + "Quasar" ] }, "answerKey": "C" @@ -3256,22 +2176,10 @@ "D" ], "text": [ - [ - "Galaxy", - "Binary system" - ], - [ - "Black hole", - "Binary system" - ], - [ - "Globular cluster", - "Binary system" - ], - [ - "Variable star", - "Binary system" - ] + "Galaxy, Binary system", + "Black hole, Binary system", + "Globular cluster, Binary system", + "Variable star, Binary system" ] }, "answerKey": "B" @@ -3287,18 +2195,10 @@ "D" ], "text": [ - [ - "Nova" - ], - [ - "Globular cluster" - ], - [ - "Binary system" - ], - [ - "Pulsar" - ] + "Nova", + "Globular cluster", + "Binary system", + "Pulsar" ] }, "answerKey": "A" @@ -3314,18 +2214,10 @@ "D" ], "text": [ - [ - "Active galactic nucleus" - ], - [ - "Accreting object" - ], - [ - "Supernova" - ], - [ - "Circumstellar disk" - ] + "Active galactic nucleus", + "Accreting object", + "Supernova", + "Circumstellar disk" ] }, "answerKey": "C" @@ -3341,18 +2233,10 @@ "D" ], "text": [ - [ - "Galaxy" - ], - [ - "Variable star" - ], - [ - "Pulsar" - ], - [ - "Supernova" - ] + "Galaxy", + "Variable star", + "Pulsar", + "Supernova" ] }, "answerKey": "D" @@ -3368,18 +2252,10 @@ "D" ], "text": [ - [ - "Quasar" - ], - [ - "Repeater" - ], - [ - "Nova" - ], - [ - "Black hole" - ] + "Quasar", + "Repeater", + "Nova", + "Black hole" ] }, "answerKey": "C" @@ -3395,18 +2271,10 @@ "D" ], "text": [ - [ - "Magnetar" - ], - [ - "Active galactic nucleus" - ], - [ - "Pulsar" - ], - [ - "Neutron star" - ] + "Magnetar", + "Active galactic nucleus", + "Pulsar", + "Neutron star" ] }, "answerKey": "B" @@ -3422,22 +2290,10 @@ "D" ], "text": [ - [ - "Star and stellar system", - "Pulsar" - ], - [ - "Binary system", - "Pulsar" - ], - [ - "Binary system", - "Star and stellar system" - ], - [ - "Galaxy", - "Pulsar" - ] + "Star and stellar system, Pulsar", + "Binary system, Pulsar", + "Binary system, Star and stellar system", + "Galaxy, Pulsar" ] }, "answerKey": "B" @@ -3453,18 +2309,10 @@ "D" ], "text": [ - [ - "Near-Earth object" - ], - [ - "Supernova" - ], - [ - "Exoplanet" - ], - [ - "Interstellar medium" - ] + "Near-Earth object", + "Supernova", + "Exoplanet", + "Interstellar medium" ] }, "answerKey": "B" @@ -3480,22 +2328,10 @@ "D" ], "text": [ - [ - "Nova", - "Variable star" - ], - [ - "Minor body", - "Variable star" - ], - [ - "Nova", - "Black hole" - ], - [ - "Near-Earth object", - "Variable star" - ] + "Nova, Variable star", + "Minor body, Variable star", + "Nova, Black hole", + "Near-Earth object, Variable star" ] }, "answerKey": "A" @@ -3511,18 +2347,10 @@ "D" ], "text": [ - [ - "Globular cluster" - ], - [ - "Pulsar" - ], - [ - "Supernova" - ], - [ - "Quasar" - ] + "Globular cluster", + "Pulsar", + "Supernova", + "Quasar" ] }, "answerKey": "C" @@ -3538,22 +2366,10 @@ "D" ], "text": [ - [ - "Variable star", - "Binary system" - ], - [ - "Variable star", - "Accreting object" - ], - [ - "Interstellar medium", - "Accreting object" - ], - [ - "Variable star", - "Interstellar medium" - ] + "Variable star, Binary system", + "Variable star, Accreting object", + "Interstellar medium, Accreting object", + "Variable star, Interstellar medium" ] }, "answerKey": "B" @@ -3569,18 +2385,10 @@ "D" ], "text": [ - [ - "Binary system" - ], - [ - "Exoplanet" - ], - [ - "Galaxy" - ], - [ - "Circumstellar disk" - ] + "Binary system", + "Exoplanet", + "Galaxy", + "Circumstellar disk" ] }, "answerKey": "C" @@ -3596,22 +2404,10 @@ "D" ], "text": [ - [ - "Interstellar medium", - "Black hole" - ], - [ - "Accreting object", - "Binary system" - ], - [ - "Accreting object", - "Black hole" - ], - [ - "Accreting object", - "Exoplanet" - ] + "Interstellar medium, Black hole", + "Accreting object, Binary system", + "Accreting object, Black hole", + "Accreting object, Exoplanet" ] }, "answerKey": "C" @@ -3627,22 +2423,10 @@ "D" ], "text": [ - [ - "Accreting object", - "Binary system" - ], - [ - "Black hole", - "Quasar" - ], - [ - "Black hole", - "Binary system" - ], - [ - "Black hole", - "Near-Earth object" - ] + "Accreting object, Binary system", + "Black hole, Quasar", + "Black hole, Binary system", + "Black hole, Near-Earth object" ] }, "answerKey": "C" @@ -3658,22 +2442,10 @@ "D" ], "text": [ - [ - "Stellar evolution", - "Galaxy" - ], - [ - "Supernova", - "Galaxy" - ], - [ - "Supernova", - "Accreting object" - ], - [ - "Supernova", - "Star and stellar system" - ] + "Stellar evolution, Galaxy", + "Supernova, Galaxy", + "Supernova, Accreting object", + "Supernova, Star and stellar system" ] }, "answerKey": "B" @@ -3689,18 +2461,10 @@ "D" ], "text": [ - [ - "Accreting object" - ], - [ - "Active galactic nucleus" - ], - [ - "Nova" - ], - [ - "Star and stellar system" - ] + "Accreting object", + "Active galactic nucleus", + "Nova", + "Star and stellar system" ] }, "answerKey": "C" @@ -3716,18 +2480,10 @@ "D" ], "text": [ - [ - "Neutron star" - ], - [ - "Supernova" - ], - [ - "Variable star" - ], - [ - "Pulsar" - ] + "Neutron star", + "Supernova", + "Variable star", + "Pulsar" ] }, "answerKey": "B" @@ -3743,18 +2499,10 @@ "D" ], "text": [ - [ - "Accreting object" - ], - [ - "Repeater" - ], - [ - "Black hole" - ], - [ - "Magnetar" - ] + "Accreting object", + "Repeater", + "Black hole", + "Magnetar" ] }, "answerKey": "C" @@ -3770,18 +2518,10 @@ "D" ], "text": [ - [ - "Near-Earth object" - ], - [ - "Nova" - ], - [ - "Minor body" - ], - [ - "Star and stellar system" - ] + "Near-Earth object", + "Nova", + "Minor body", + "Star and stellar system" ] }, "answerKey": "B" @@ -3797,22 +2537,10 @@ "D" ], "text": [ - [ - "Active galactic nucleus", - "Neutron star" - ], - [ - "Globular cluster", - "Neutron star" - ], - [ - "Accreting object", - "Neutron star" - ], - [ - "Neutron star", - "Neutron star" - ] + "Active galactic nucleus, Neutron star", + "Globular cluster, Neutron star", + "Accreting object, Neutron star", + "Neutron star, Neutron star" ] }, "answerKey": "C" @@ -3828,18 +2556,10 @@ "D" ], "text": [ - [ - "Stellar evolution" - ], - [ - "Star and stellar system" - ], - [ - "Variable star" - ], - [ - "Neutron star" - ] + "Stellar evolution", + "Star and stellar system", + "Variable star", + "Neutron star" ] }, "answerKey": "C" @@ -3855,18 +2575,10 @@ "D" ], "text": [ - [ - "Pulsar" - ], - [ - "Supernova" - ], - [ - "Magnetar" - ], - [ - "Binary system" - ] + "Pulsar", + "Supernova", + "Magnetar", + "Binary system" ] }, "answerKey": "B" @@ -3882,18 +2594,10 @@ "D" ], "text": [ - [ - "Magnetar" - ], - [ - "Supernova" - ], - [ - "Black hole" - ], - [ - "Quasar" - ] + "Magnetar", + "Supernova", + "Black hole", + "Quasar" ] }, "answerKey": "B" @@ -3909,18 +2613,10 @@ "D" ], "text": [ - [ - "Stellar evolution" - ], - [ - "Supernova" - ], - [ - "Nova" - ], - [ - "Minor body" - ] + "Stellar evolution", + "Supernova", + "Nova", + "Minor body" ] }, "answerKey": "B" @@ -3936,18 +2632,10 @@ "D" ], "text": [ - [ - "Nova" - ], - [ - "Star and stellar system" - ], - [ - "Stellar evolution" - ], - [ - "Binary system" - ] + "Nova", + "Star and stellar system", + "Stellar evolution", + "Binary system" ] }, "answerKey": "A" @@ -3963,22 +2651,10 @@ "D" ], "text": [ - [ - "Magnetar", - "Interstellar medium" - ], - [ - "Exoplanet", - "Interstellar medium" - ], - [ - "Supernova", - "Accreting object" - ], - [ - "Supernova", - "Interstellar medium" - ] + "Magnetar, Interstellar medium", + "Exoplanet, Interstellar medium", + "Supernova, Accreting object", + "Supernova, Interstellar medium" ] }, "answerKey": "D" @@ -3994,18 +2670,10 @@ "D" ], "text": [ - [ - "Pulsar" - ], - [ - "Minor body" - ], - [ - "Globular cluster" - ], - [ - "Black hole" - ] + "Pulsar", + "Minor body", + "Globular cluster", + "Black hole" ] }, "answerKey": "D" @@ -4021,18 +2689,10 @@ "D" ], "text": [ - [ - "Magnetar" - ], - [ - "Black hole" - ], - [ - "Nova" - ], - [ - "Star and stellar system" - ] + "Magnetar", + "Black hole", + "Nova", + "Star and stellar system" ] }, "answerKey": "B" @@ -4048,18 +2708,10 @@ "D" ], "text": [ - [ - "Supernova" - ], - [ - "Variable star" - ], - [ - "Binary system" - ], - [ - "Quasar" - ] + "Supernova", + "Variable star", + "Binary system", + "Quasar" ] }, "answerKey": "A" @@ -4075,18 +2727,10 @@ "D" ], "text": [ - [ - "Globular cluster" - ], - [ - "Pulsar" - ], - [ - "Galaxy" - ], - [ - "Supernova" - ] + "Globular cluster", + "Pulsar", + "Galaxy", + "Supernova" ] }, "answerKey": "D" @@ -4102,18 +2746,10 @@ "D" ], "text": [ - [ - "Exoplanet" - ], - [ - "Nova" - ], - [ - "Galaxy" - ], - [ - "Magnetar" - ] + "Exoplanet", + "Nova", + "Galaxy", + "Magnetar" ] }, "answerKey": "B" @@ -4129,18 +2765,10 @@ "D" ], "text": [ - [ - "Accreting object" - ], - [ - "Quasar" - ], - [ - "Nova" - ], - [ - "Near-Earth object" - ] + "Accreting object", + "Quasar", + "Nova", + "Near-Earth object" ] }, "answerKey": "C" @@ -4156,18 +2784,10 @@ "D" ], "text": [ - [ - "Black hole" - ], - [ - "Active galactic nucleus" - ], - [ - "Repeater" - ], - [ - "Galaxy" - ] + "Black hole", + "Active galactic nucleus", + "Repeater", + "Galaxy" ] }, "answerKey": "A" @@ -4183,18 +2803,10 @@ "D" ], "text": [ - [ - "Globular cluster" - ], - [ - "Repeater" - ], - [ - "Minor body" - ], - [ - "Quasar" - ] + "Globular cluster", + "Repeater", + "Minor body", + "Quasar" ] }, "answerKey": "C" @@ -4210,18 +2822,10 @@ "D" ], "text": [ - [ - "Quasar" - ], - [ - "Minor body" - ], - [ - "Supernova" - ], - [ - "Circumstellar disk" - ] + "Quasar", + "Minor body", + "Supernova", + "Circumstellar disk" ] }, "answerKey": "C" @@ -4237,26 +2841,10 @@ "D" ], "text": [ - [ - "Black hole", - "Neutron star", - "Binary system" - ], - [ - "Quasar", - "Neutron star", - "Binary system" - ], - [ - "Black hole", - "Active galactic nucleus", - "Binary system" - ], - [ - "Interstellar medium", - "Neutron star", - "Binary system" - ] + "Black hole, Neutron star, Binary system", + "Quasar, Neutron star, Binary system", + "Black hole, Active galactic nucleus, Binary system", + "Interstellar medium, Neutron star, Binary system" ] }, "answerKey": "A" @@ -4272,18 +2860,10 @@ "D" ], "text": [ - [ - "Active galactic nucleus" - ], - [ - "Accreting object" - ], - [ - "Minor body" - ], - [ - "Variable star" - ] + "Active galactic nucleus", + "Accreting object", + "Minor body", + "Variable star" ] }, "answerKey": "D" @@ -4299,18 +2879,10 @@ "D" ], "text": [ - [ - "Supernova" - ], - [ - "Stellar evolution" - ], - [ - "Near-Earth object" - ], - [ - "Star and stellar system" - ] + "Supernova", + "Stellar evolution", + "Near-Earth object", + "Star and stellar system" ] }, "answerKey": "D" @@ -4326,22 +2898,10 @@ "D" ], "text": [ - [ - "Binary system", - "Black hole" - ], - [ - "Binary system", - "Supernova" - ], - [ - "Binary system", - "Nova" - ], - [ - "Binary system", - "Binary system" - ] + "Binary system, Black hole", + "Binary system, Supernova", + "Binary system, Nova", + "Binary system, Binary system" ] }, "answerKey": "A" @@ -4357,22 +2917,10 @@ "D" ], "text": [ - [ - "Black hole", - "Interstellar medium" - ], - [ - "Black hole", - "Star and stellar system" - ], - [ - "Black hole", - "Binary system" - ], - [ - "Black hole", - "Black hole" - ] + "Black hole, Interstellar medium", + "Black hole, Star and stellar system", + "Black hole, Binary system", + "Black hole, Black hole" ] }, "answerKey": "C" @@ -4388,22 +2936,10 @@ "D" ], "text": [ - [ - "Minor body", - "Binary system" - ], - [ - "Star and stellar system", - "Binary system" - ], - [ - "Minor body", - "Minor body" - ], - [ - "Minor body", - "Magnetar" - ] + "Minor body, Binary system", + "Star and stellar system, Binary system", + "Minor body, Minor body", + "Minor body, Magnetar" ] }, "answerKey": "A" @@ -4419,22 +2955,10 @@ "D" ], "text": [ - [ - "Neutron star", - "Binary system" - ], - [ - "Neutron star", - "Nova" - ], - [ - "Nova", - "Pulsar" - ], - [ - "Neutron star", - "Pulsar" - ] + "Neutron star, Binary system", + "Neutron star, Nova", + "Nova, Pulsar", + "Neutron star, Pulsar" ] }, "answerKey": "D" @@ -4450,18 +2974,10 @@ "D" ], "text": [ - [ - "Active galactic nucleus" - ], - [ - "Black hole" - ], - [ - "Magnetar" - ], - [ - "Binary system" - ] + "Active galactic nucleus", + "Black hole", + "Magnetar", + "Binary system" ] }, "answerKey": "B" @@ -4477,30 +2993,10 @@ "D" ], "text": [ - [ - "Accreting object", - "Magnetar", - "Black hole", - "Neutron star" - ], - [ - "Accreting object", - "Active galactic nucleus", - "Magnetar", - "Neutron star" - ], - [ - "Accreting object", - "Active galactic nucleus", - "Black hole", - "Active galactic nucleus" - ], - [ - "Accreting object", - "Active galactic nucleus", - "Black hole", - "Neutron star" - ] + "Accreting object, Magnetar, Black hole, Neutron star", + "Accreting object, Active galactic nucleus, Magnetar, Neutron star", + "Accreting object, Active galactic nucleus, Black hole, Active galactic nucleus", + "Accreting object, Active galactic nucleus, Black hole, Neutron star" ] }, "answerKey": "D" @@ -4516,18 +3012,10 @@ "D" ], "text": [ - [ - "Nova" - ], - [ - "Minor body" - ], - [ - "Black hole" - ], - [ - "Quasar" - ] + "Nova", + "Minor body", + "Black hole", + "Quasar" ] }, "answerKey": "C" @@ -4543,18 +3031,10 @@ "D" ], "text": [ - [ - "Minor body" - ], - [ - "Neutron star" - ], - [ - "Magnetar" - ], - [ - "Interstellar medium" - ] + "Minor body", + "Neutron star", + "Magnetar", + "Interstellar medium" ] }, "answerKey": "C" @@ -4570,22 +3050,10 @@ "D" ], "text": [ - [ - "Repeater", - "Black hole" - ], - [ - "Pulsar", - "Black hole" - ], - [ - "Neutron star", - "Black hole" - ], - [ - "Active galactic nucleus", - "Black hole" - ] + "Repeater, Black hole", + "Pulsar, Black hole", + "Neutron star, Black hole", + "Active galactic nucleus, Black hole" ] }, "answerKey": "D" @@ -4601,18 +3069,10 @@ "D" ], "text": [ - [ - "Black hole" - ], - [ - "Supernova" - ], - [ - "Galaxy" - ], - [ - "Neutron star" - ] + "Black hole", + "Supernova", + "Galaxy", + "Neutron star" ] }, "answerKey": "B" @@ -4628,22 +3088,10 @@ "D" ], "text": [ - [ - "Supernova", - "Interstellar medium" - ], - [ - "Supernova", - "Black hole" - ], - [ - "Pulsar", - "Interstellar medium" - ], - [ - "Stellar evolution", - "Interstellar medium" - ] + "Supernova, Interstellar medium", + "Supernova, Black hole", + "Pulsar, Interstellar medium", + "Stellar evolution, Interstellar medium" ] }, "answerKey": "A" @@ -4659,22 +3107,10 @@ "D" ], "text": [ - [ - "Magnetar", - "Binary system" - ], - [ - "Black hole", - "Nova" - ], - [ - "Near-Earth object", - "Binary system" - ], - [ - "Black hole", - "Binary system" - ] + "Magnetar, Binary system", + "Black hole, Nova", + "Near-Earth object, Binary system", + "Black hole, Binary system" ] }, "answerKey": "D" @@ -4690,18 +3126,10 @@ "D" ], "text": [ - [ - "Active galactic nucleus" - ], - [ - "Black hole" - ], - [ - "Neutron star" - ], - [ - "Minor body" - ] + "Active galactic nucleus", + "Black hole", + "Neutron star", + "Minor body" ] }, "answerKey": "B" @@ -4717,18 +3145,10 @@ "D" ], "text": [ - [ - "Galaxy" - ], - [ - "Quasar" - ], - [ - "Supernova" - ], - [ - "Repeater" - ] + "Galaxy", + "Quasar", + "Supernova", + "Repeater" ] }, "answerKey": "A" @@ -4744,18 +3164,10 @@ "D" ], "text": [ - [ - "Exoplanet" - ], - [ - "Active galactic nucleus" - ], - [ - "Repeater" - ], - [ - "Nova" - ] + "Exoplanet", + "Active galactic nucleus", + "Repeater", + "Nova" ] }, "answerKey": "D" @@ -4771,18 +3183,10 @@ "D" ], "text": [ - [ - "Supernova" - ], - [ - "Nova" - ], - [ - "Neutron star" - ], - [ - "Repeater" - ] + "Supernova", + "Nova", + "Neutron star", + "Repeater" ] }, "answerKey": "C" @@ -4798,18 +3202,10 @@ "D" ], "text": [ - [ - "Galaxy" - ], - [ - "Accreting object" - ], - [ - "Quasar" - ], - [ - "Star and stellar system" - ] + "Galaxy", + "Accreting object", + "Quasar", + "Star and stellar system" ] }, "answerKey": "C" @@ -4825,18 +3221,10 @@ "D" ], "text": [ - [ - "Nova" - ], - [ - "Galaxy" - ], - [ - "Magnetar" - ], - [ - "Supernova" - ] + "Nova", + "Galaxy", + "Magnetar", + "Supernova" ] }, "answerKey": "A" @@ -4852,18 +3240,10 @@ "D" ], "text": [ - [ - "Minor body" - ], - [ - "Circumstellar disk" - ], - [ - "Magnetar" - ], - [ - "Variable star" - ] + "Minor body", + "Circumstellar disk", + "Magnetar", + "Variable star" ] }, "answerKey": "A" @@ -4879,18 +3259,10 @@ "D" ], "text": [ - [ - "Supernova" - ], - [ - "Star and stellar system" - ], - [ - "Stellar evolution" - ], - [ - "Quasar" - ] + "Supernova", + "Star and stellar system", + "Stellar evolution", + "Quasar" ] }, "answerKey": "A" @@ -4906,18 +3278,10 @@ "D" ], "text": [ - [ - "Nova" - ], - [ - "Galaxy" - ], - [ - "Active galactic nucleus" - ], - [ - "Binary system" - ] + "Nova", + "Galaxy", + "Active galactic nucleus", + "Binary system" ] }, "answerKey": "A" @@ -4933,18 +3297,10 @@ "D" ], "text": [ - [ - "Near-Earth object" - ], - [ - "Star and stellar system" - ], - [ - "Nova" - ], - [ - "Circumstellar disk" - ] + "Near-Earth object", + "Star and stellar system", + "Nova", + "Circumstellar disk" ] }, "answerKey": "B" @@ -4960,18 +3316,10 @@ "D" ], "text": [ - [ - "Minor body" - ], - [ - "Quasar" - ], - [ - "Black hole" - ], - [ - "Star and stellar system" - ] + "Minor body", + "Quasar", + "Black hole", + "Star and stellar system" ] }, "answerKey": "B" @@ -4987,22 +3335,10 @@ "D" ], "text": [ - [ - "Black hole", - "Black hole" - ], - [ - "Active galactic nucleus", - "Black hole" - ], - [ - "Active galactic nucleus", - "Interstellar medium" - ], - [ - "Interstellar medium", - "Black hole" - ] + "Black hole, Black hole", + "Active galactic nucleus, Black hole", + "Active galactic nucleus, Interstellar medium", + "Interstellar medium, Black hole" ] }, "answerKey": "B" @@ -5018,18 +3354,10 @@ "D" ], "text": [ - [ - "Magnetar" - ], - [ - "Exoplanet" - ], - [ - "Repeater" - ], - [ - "Supernova" - ] + "Magnetar", + "Exoplanet", + "Repeater", + "Supernova" ] }, "answerKey": "D" @@ -5045,18 +3373,10 @@ "D" ], "text": [ - [ - "Neutron star" - ], - [ - "Nova" - ], - [ - "Exoplanet" - ], - [ - "Binary system" - ] + "Neutron star", + "Nova", + "Exoplanet", + "Binary system" ] }, "answerKey": "B" @@ -5072,18 +3392,10 @@ "D" ], "text": [ - [ - "Interstellar medium" - ], - [ - "Accreting object" - ], - [ - "Nova" - ], - [ - "Black hole" - ] + "Interstellar medium", + "Accreting object", + "Nova", + "Black hole" ] }, "answerKey": "B" @@ -5099,18 +3411,10 @@ "D" ], "text": [ - [ - "Star and stellar system" - ], - [ - "Active galactic nucleus" - ], - [ - "Neutron star" - ], - [ - "Globular cluster" - ] + "Star and stellar system", + "Active galactic nucleus", + "Neutron star", + "Globular cluster" ] }, "answerKey": "B" @@ -5126,22 +3430,10 @@ "D" ], "text": [ - [ - "Nova", - "Variable star" - ], - [ - "Nova", - "Black hole" - ], - [ - "Quasar", - "Variable star" - ], - [ - "Nova", - "Pulsar" - ] + "Nova, Variable star", + "Nova, Black hole", + "Quasar, Variable star", + "Nova, Pulsar" ] }, "answerKey": "A" @@ -5157,22 +3449,10 @@ "D" ], "text": [ - [ - "Active galactic nucleus", - "Black hole" - ], - [ - "Active galactic nucleus", - "Star and stellar system" - ], - [ - "Active galactic nucleus", - "Interstellar medium" - ], - [ - "Neutron star", - "Black hole" - ] + "Active galactic nucleus, Black hole", + "Active galactic nucleus, Star and stellar system", + "Active galactic nucleus, Interstellar medium", + "Neutron star, Black hole" ] }, "answerKey": "A" @@ -5188,22 +3468,10 @@ "D" ], "text": [ - [ - "Active galactic nucleus", - "Black hole" - ], - [ - "Active galactic nucleus", - "Nova" - ], - [ - "Galaxy", - "Black hole" - ], - [ - "Repeater", - "Black hole" - ] + "Active galactic nucleus, Black hole", + "Active galactic nucleus, Nova", + "Galaxy, Black hole", + "Repeater, Black hole" ] }, "answerKey": "A" @@ -5219,18 +3487,10 @@ "D" ], "text": [ - [ - "Binary system" - ], - [ - "Quasar" - ], - [ - "Near-Earth object" - ], - [ - "Globular cluster" - ] + "Binary system", + "Quasar", + "Near-Earth object", + "Globular cluster" ] }, "answerKey": "A" @@ -5246,18 +3506,10 @@ "D" ], "text": [ - [ - "Black hole" - ], - [ - "Neutron star" - ], - [ - "Supernova" - ], - [ - "Magnetar" - ] + "Black hole", + "Neutron star", + "Supernova", + "Magnetar" ] }, "answerKey": "C" @@ -5273,18 +3525,10 @@ "D" ], "text": [ - [ - "Stellar evolution" - ], - [ - "Near-Earth object" - ], - [ - "Quasar" - ], - [ - "Active galactic nucleus" - ] + "Stellar evolution", + "Near-Earth object", + "Quasar", + "Active galactic nucleus" ] }, "answerKey": "D" @@ -5300,18 +3544,10 @@ "D" ], "text": [ - [ - "Magnetar" - ], - [ - "Exoplanet" - ], - [ - "Star and stellar system" - ], - [ - "Black hole" - ] + "Magnetar", + "Exoplanet", + "Star and stellar system", + "Black hole" ] }, "answerKey": "D" @@ -5327,22 +3563,10 @@ "D" ], "text": [ - [ - "Exoplanet", - "Binary system" - ], - [ - "Star and stellar system", - "Binary system" - ], - [ - "Interstellar medium", - "Binary system" - ], - [ - "Black hole", - "Binary system" - ] + "Exoplanet, Binary system", + "Star and stellar system, Binary system", + "Interstellar medium, Binary system", + "Black hole, Binary system" ] }, "answerKey": "D" @@ -5358,18 +3582,10 @@ "D" ], "text": [ - [ - "Minor body" - ], - [ - "Quasar" - ], - [ - "Magnetar" - ], - [ - "Repeater" - ] + "Minor body", + "Quasar", + "Magnetar", + "Repeater" ] }, "answerKey": "B" @@ -5385,18 +3601,10 @@ "D" ], "text": [ - [ - "Stellar evolution" - ], - [ - "Variable star" - ], - [ - "Exoplanet" - ], - [ - "Neutron star" - ] + "Stellar evolution", + "Variable star", + "Exoplanet", + "Neutron star" ] }, "answerKey": "B"