How many moons does Mercury have?
None
How many moons does Venus have?
None.
How many moons does Mars have?
Two.
Which is the smallest planet in our solar system?
Mercury.
Which is the second smallest planet in our solar system?
Mars.
How long does it take Mercury to orbit the sun?
88 days.
Why is Venus hotter than Mercury?
It's thick clouds keep the heat in.
Which planet has the fastest rotation, Mercury, Venus, Earth or Mars?
Mercury.
Which planet has the biggest volcano?
Mars.
Which planet is the brightest, Mercury, Venus, Earth or Mars?
Venus.
Which planet is known for having 'acid rain'?
Venus.
What do man-made satellites do?
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How many people have been to the moon?
12.
Which planet is between Mercury and Earth?
Venus.
Why is it possible for people to live on Mars?
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