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the moon is a satellite that reflects sunlight towards the earth and orbits the earth & the solar system contains the moon -> the <mask> is the satellite in the solar system that reflects sunlight towards the earth and orbits the earth
moon
the moon is a satellite that reflects sunlight towards the earth and orbits the earth & the solar system contains the moon -> the moon is the <mask> in the solar system that reflects sunlight towards the earth and orbits the earth
satellite
the moon is a satellite that reflects sunlight towards the earth and orbits the earth & the solar system contains the moon -> the moon is the satellite in the solar <mask> that reflects sunlight towards the earth and orbits the earth
system
the moon is a satellite that reflects sunlight towards the earth and orbits the earth & the solar system contains the moon -> the moon is the satellite in the solar system that <mask> sunlight towards the earth and orbits the earth
reflects
the moon is a satellite that reflects sunlight towards the earth and orbits the earth & the solar system contains the moon -> the moon is the satellite in the solar system that reflects <mask> towards the earth and orbits the earth
sunlight
the moon is a satellite that reflects sunlight towards the earth and orbits the earth & the solar system contains the moon -> the moon is the satellite in the solar system that reflects sunlight towards the <mask> and orbits the earth
earth
the moon is a satellite that reflects sunlight towards the earth and orbits the earth & the solar system contains the moon -> the moon is the satellite in the solar system that reflects sunlight towards the earth and <mask> the earth
orbits
the moon is a satellite that reflects sunlight towards the earth and orbits the earth & the solar system contains the moon -> the moon is the satellite in the solar system that reflects sunlight towards the earth and orbits the <mask>
earth
the moon 's surface contains flat areas & the lunar / moon 's surface contains many craters & the moon 's surface contains highlands -> the <mask> of the moon contains flat areas, highlands, and craters
surface
the moon 's surface contains flat areas & the lunar / moon 's surface contains many craters & the moon 's surface contains highlands -> the surface of the <mask> contains flat areas, highlands, and craters
moon
the moon 's surface contains flat areas & the lunar / moon 's surface contains many craters & the moon 's surface contains highlands -> the surface of the moon <mask> flat areas, highlands, and craters
contains
the moon 's surface contains flat areas & the lunar / moon 's surface contains many craters & the moon 's surface contains highlands -> the surface of the moon contains <mask> areas, highlands, and craters
flat
the moon 's surface contains flat areas & the lunar / moon 's surface contains many craters & the moon 's surface contains highlands -> the surface of the moon contains flat areas, highlands, and <mask>
craters
the earth 's surface contains many craters & the lunar / moon 's surface contains many craters -> both the moon's <mask> and the earth's surface contain many craters
surface
the earth 's surface contains many craters & the lunar / moon 's surface contains many craters -> both the moon's surface and the earth's <mask> contain many craters
surface
the earth 's surface contains many craters & the lunar / moon 's surface contains many craters -> both the moon's surface and the earth's surface <mask> many craters
contain
the earth 's surface contains many craters & the lunar / moon 's surface contains many craters -> both the moon's surface and the earth's surface contain many <mask>
craters
drier means lower in amount of water / wetness / moisture & the moon has less water / air than the earth -> the <mask> is drier than the earth
moon
drier means lower in amount of water / wetness / moisture & the moon has less water / air than the earth -> the moon is <mask> than the earth
drier
drier means lower in amount of water / wetness / moisture & the moon has less water / air than the earth -> the moon is drier than the <mask>
earth
earth has air & the moon has no air on it -> the <mask> between the earth and the moon is that the moon has no air on it
difference
earth has air & the moon has no air on it -> the difference between the <mask> and the moon is that the moon has no air on it
earth
earth has air & the moon has no air on it -> the difference between the earth and the <mask> is that the moon has no air on it
moon
earth has air & the moon has no air on it -> the difference between the earth and the moon is that the <mask> has no air on it
moon
earth has air & the moon has no air on it -> the difference between the earth and the moon is that the moon has no <mask> on it
air
mars is a kind of planet & phobos orbits mars -> <mask> orbits the planet mars
phobos
mars is a kind of planet & phobos orbits mars -> phobos <mask> the planet mars
orbits
mars is a kind of planet & phobos orbits mars -> phobos orbits the <mask> mars
planet
mars is a kind of planet & phobos orbits mars -> phobos orbits the planet <mask>
mars
phobos orbits the planet mars & moons orbit planets -> <mask> is a kind of moon
phobos
phobos orbits the planet mars & moons orbit planets -> phobos is a <mask> of moon
kind
phobos orbits the planet mars & moons orbit planets -> phobos is a kind of <mask>
moon
light reflecting off of an object causes that object to be visible to the observer & the moon reflects sunlight towards the earth & a moon is a kind of celestial object / celestial body -> the <mask> reflecting sunlight towards the earth cause the moon to be visible to the observer
moon
light reflecting off of an object causes that object to be visible to the observer & the moon reflects sunlight towards the earth & a moon is a kind of celestial object / celestial body -> the moon <mask> sunlight towards the earth cause the moon to be visible to the observer
reflecting
light reflecting off of an object causes that object to be visible to the observer & the moon reflects sunlight towards the earth & a moon is a kind of celestial object / celestial body -> the moon reflecting <mask> towards the earth cause the moon to be visible to the observer
sunlight
light reflecting off of an object causes that object to be visible to the observer & the moon reflects sunlight towards the earth & a moon is a kind of celestial object / celestial body -> the moon reflecting sunlight towards the <mask> cause the moon to be visible to the observer
earth
light reflecting off of an object causes that object to be visible to the observer & the moon reflects sunlight towards the earth & a moon is a kind of celestial object / celestial body -> the moon reflecting sunlight towards the earth <mask> the moon to be visible to the observer
cause
light reflecting off of an object causes that object to be visible to the observer & the moon reflects sunlight towards the earth & a moon is a kind of celestial object / celestial body -> the moon reflecting sunlight towards the earth cause the <mask> to be visible to the observer
moon
light reflecting off of an object causes that object to be visible to the observer & the moon reflects sunlight towards the earth & a moon is a kind of celestial object / celestial body -> the moon reflecting sunlight towards the earth cause the moon to be visible to the <mask>
observer
a dwarf planet usually is much smaller in size / in mass than other planets & pluto is a kind of dwarf planet -> <mask> is a dwarf planet that has much smaller mass than other planets
pluto
a dwarf planet usually is much smaller in size / in mass than other planets & pluto is a kind of dwarf planet -> pluto is a <mask> planet that has much smaller mass than other planets
dwarf
a dwarf planet usually is much smaller in size / in mass than other planets & pluto is a kind of dwarf planet -> pluto is a dwarf <mask> that has much smaller mass than other planets
planet
a dwarf planet usually is much smaller in size / in mass than other planets & pluto is a kind of dwarf planet -> pluto is a dwarf planet that has <mask> smaller mass than other planets
much
a dwarf planet usually is much smaller in size / in mass than other planets & pluto is a kind of dwarf planet -> pluto is a dwarf planet that has much smaller <mask> than other planets
mass
a dwarf planet usually is much smaller in size / in mass than other planets & pluto is a kind of dwarf planet -> pluto is a dwarf planet that has much smaller mass than other <mask>
planets
pluto is a dwarf planet that has much smaller mass than other planets & a dwarf planet is a kind of celestial object -> <mask> is a celestial object that has much smaller mass than other planets
pluto
pluto is a dwarf planet that has much smaller mass than other planets & a dwarf planet is a kind of celestial object -> pluto is a celestial <mask> that has much smaller mass than other planets
object
pluto is a dwarf planet that has much smaller mass than other planets & a dwarf planet is a kind of celestial object -> pluto is a celestial object that has <mask> smaller mass than other planets
much
pluto is a dwarf planet that has much smaller mass than other planets & a dwarf planet is a kind of celestial object -> pluto is a celestial object that has much smaller <mask> than other planets
mass
pluto is a dwarf planet that has much smaller mass than other planets & a dwarf planet is a kind of celestial object -> pluto is a celestial object that has much smaller mass than other <mask>
planets
pluto is a celestial object that has much smaller mass than other planets & as the mass of a celestial object decreases , the surface gravity of that celestial object weakens -> <mask> will have much less gravity than other planets
pluto
pluto is a celestial object that has much smaller mass than other planets & as the mass of a celestial object decreases , the surface gravity of that celestial object weakens -> pluto will have <mask> less gravity than other planets
much
pluto is a celestial object that has much smaller mass than other planets & as the mass of a celestial object decreases , the surface gravity of that celestial object weakens -> pluto will have much <mask> gravity than other planets
less
pluto is a celestial object that has much smaller mass than other planets & as the mass of a celestial object decreases , the surface gravity of that celestial object weakens -> pluto will have much less <mask> than other planets
gravity
pluto is a celestial object that has much smaller mass than other planets & as the mass of a celestial object decreases , the surface gravity of that celestial object weakens -> pluto will have much less gravity than other <mask>
planets
our sun is located at the center of our solar system & our solar system is located at the edge of the milky way galaxy -> our <mask> is located at the center of a solar system that is at the edge of the milky way galaxy
sun
our sun is located at the center of our solar system & our solar system is located at the edge of the milky way galaxy -> our sun is <mask> at the center of a solar system that is at the edge of the milky way galaxy
located
our sun is located at the center of our solar system & our solar system is located at the edge of the milky way galaxy -> our sun is located at the <mask> of a solar system that is at the edge of the milky way galaxy
center
our sun is located at the center of our solar system & our solar system is located at the edge of the milky way galaxy -> our sun is located at the center of a solar <mask> that is at the edge of the milky way galaxy
system
our sun is located at the center of our solar system & our solar system is located at the edge of the milky way galaxy -> our sun is located at the center of a solar system that is at the <mask> of the milky way galaxy
edge
our sun is located at the center of our solar system & our solar system is located at the edge of the milky way galaxy -> our sun is located at the center of a solar system that is at the edge of the milky <mask> galaxy
way
our sun is located at the center of our solar system & our solar system is located at the edge of the milky way galaxy -> our sun is located at the center of a solar system that is at the edge of the milky way <mask>
galaxy
a star is a kind of celestial object / celestial body & a star produces light and heat -> a <mask> is a celestial object that produces light and heat
star
a star is a kind of celestial object / celestial body & a star produces light and heat -> a star is a celestial <mask> that produces light and heat
object
a star is a kind of celestial object / celestial body & a star produces light and heat -> a star is a celestial object that <mask> light and heat
produces
a star is a kind of celestial object / celestial body & a star produces light and heat -> a star is a celestial object that produces <mask> and heat
light
a star is a kind of celestial object / celestial body & a star produces light and heat -> a star is a celestial object that produces light and <mask>
heat
a star is a celestial object that produces light and heat & the sun is the star that is closest to earth -> the <mask> is the celestial object that produces light and heat and is closest to earth
sun
a star is a celestial object that produces light and heat & the sun is the star that is closest to earth -> the sun is the celestial <mask> that produces light and heat and is closest to earth
object
a star is a celestial object that produces light and heat & the sun is the star that is closest to earth -> the sun is the celestial object that <mask> light and heat and is closest to earth
produces
a star is a celestial object that produces light and heat & the sun is the star that is closest to earth -> the sun is the celestial object that produces <mask> and heat and is closest to earth
light
a star is a celestial object that produces light and heat & the sun is the star that is closest to earth -> the sun is the celestial object that produces light and <mask> and is closest to earth
heat
a star is a celestial object that produces light and heat & the sun is the star that is closest to earth -> the sun is the celestial object that produces light and heat and is closest to <mask>
earth
a candle is a source of light when it is burned & a source of something emits / produces / generates / provides that something -> a <mask> produces light when it is burned
candle
a candle is a source of light when it is burned & a source of something emits / produces / generates / provides that something -> a candle <mask> light when it is burned
produces
a candle is a source of light when it is burned & a source of something emits / produces / generates / provides that something -> a candle produces <mask> when it is burned
light
a candle is a source of light when it is burned & a source of something emits / produces / generates / provides that something -> a candle produces light when it is <mask>
burned
a candle produces light when it is burned & a star produces light and heat -> both <mask> and stars produce light
candles
a candle produces light when it is burned & a star produces light and heat -> both candles and <mask> produce light
stars
a candle produces light when it is burned & a star produces light and heat -> both candles and stars <mask> light
produce
a candle produces light when it is burned & a star produces light and heat -> both candles and stars produce <mask>
light
plasma is formed by electrons separating from atoms in stars & electrons are pulled away from atoms in a star by high temeprature -> <mask> will be formed by high temperature pulling electrons away from atoms
plasma
plasma is formed by electrons separating from atoms in stars & electrons are pulled away from atoms in a star by high temeprature -> plasma will be <mask> by high temperature pulling electrons away from atoms
formed
plasma is formed by electrons separating from atoms in stars & electrons are pulled away from atoms in a star by high temeprature -> plasma will be formed by <mask> temperature pulling electrons away from atoms
high
plasma is formed by electrons separating from atoms in stars & electrons are pulled away from atoms in a star by high temeprature -> plasma will be formed by high <mask> pulling electrons away from atoms
temperature
plasma is formed by electrons separating from atoms in stars & electrons are pulled away from atoms in a star by high temeprature -> plasma will be formed by high temperature <mask> electrons away from atoms
pulling
plasma is formed by electrons separating from atoms in stars & electrons are pulled away from atoms in a star by high temeprature -> plasma will be formed by high temperature pulling <mask> away from atoms
electrons
plasma is formed by electrons separating from atoms in stars & electrons are pulled away from atoms in a star by high temeprature -> plasma will be formed by high temperature pulling electrons away from <mask>
atoms
plasma will be formed by high temperature pulling electrons away from atoms & plasma is a kind of state of matter -> <mask> is the state of matter that is formed by high temperature pulling electrons away from atoms
plasma
plasma will be formed by high temperature pulling electrons away from atoms & plasma is a kind of state of matter -> plasma is the <mask> of matter that is formed by high temperature pulling electrons away from atoms
state
plasma will be formed by high temperature pulling electrons away from atoms & plasma is a kind of state of matter -> plasma is the state of <mask> that is formed by high temperature pulling electrons away from atoms
matter
plasma will be formed by high temperature pulling electrons away from atoms & plasma is a kind of state of matter -> plasma is the state of matter that is <mask> by high temperature pulling electrons away from atoms
formed
plasma will be formed by high temperature pulling electrons away from atoms & plasma is a kind of state of matter -> plasma is the state of matter that is formed by <mask> temperature pulling electrons away from atoms
high
plasma will be formed by high temperature pulling electrons away from atoms & plasma is a kind of state of matter -> plasma is the state of matter that is formed by high <mask> pulling electrons away from atoms
temperature
plasma will be formed by high temperature pulling electrons away from atoms & plasma is a kind of state of matter -> plasma is the state of matter that is formed by high temperature <mask> electrons away from atoms
pulling
plasma will be formed by high temperature pulling electrons away from atoms & plasma is a kind of state of matter -> plasma is the state of matter that is formed by high temperature pulling <mask> away from atoms
electrons
plasma will be formed by high temperature pulling electrons away from atoms & plasma is a kind of state of matter -> plasma is the state of matter that is formed by high temperature pulling electrons away from <mask>
atoms
the sun is located near the edge of the milky way galaxy & the sun is average in size for a star in our galaxy -> the <mask> is an average sized star located near the edge of the milky way galaxy
sun
the sun is located near the edge of the milky way galaxy & the sun is average in size for a star in our galaxy -> the sun is an <mask> sized star located near the edge of the milky way galaxy
average
the sun is located near the edge of the milky way galaxy & the sun is average in size for a star in our galaxy -> the sun is an average <mask> star located near the edge of the milky way galaxy
sized