early astronomers knew about
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moon, stars, mercury, venus, mars, jupiter, saturn, comets, meteors
why is mars red
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iron in the soil
Temperature of Venus
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900 F
most famous mission for producing images of Saturn
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Cassini
of the terrestrial planets which ones have magnetic fields
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mercury and earth
of the terrestrial planets only
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mars and earth have moons
Tharsis bulge on mars is compared to the size of
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, North america
magnetic field reversals on Earth happen once every
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500,000 years
a star in it's highly active phase
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T tauri star
layer between ionosphere and mesosphere
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ozone
venus is known for it's
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Give this one a try later!
moon, stars, mercury, venus, mars, jupiter, saturn, comets, meteors
why is mars red
Give this one a try later!
iron in the soil
Temperature of Venus
,Give this one a try later!
900 F
most famous mission for producing images of Saturn
Give this one a try later!
Cassini
of the terrestrial planets which ones have magnetic fields
Give this one a try later!
mercury and earth
of the terrestrial planets only
Give this one a try later!
mars and earth have moons
Tharsis bulge on mars is compared to the size of
Give this one a try later!
, North america
magnetic field reversals on Earth happen once every
Give this one a try later!
500,000 years
a star in it's highly active phase
Give this one a try later!
T tauri star
layer between ionosphere and mesosphere
Give this one a try later!
ozone
venus is known for it's
Give this one a try later!
