Solar System / Space Flashcards by Evie Bonner | Brainscape

Q

What are the Inner Planets?

A

Mercury, Venus Earth Mars

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Q

Whats special about Mercury’s atmosphere?

A

it doesn’t have one

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Q

What are the outer planets also called?

A

Gas Giants

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Q

What are gas giants mainly made of?

A

Hydrogen and Helium

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Q

What are gas giants like?

A

Cold and Big

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Q

Whats an asteroid belt made out of?

A

Thousands of pieces of rock

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Q

What does the earth spin on

A

an axis

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Q

How long does one spin (on the axis) take?

A

24 hours (1 day)

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Q

How long does one orbit of the sun take

A

365 1/4 days

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Q

How big is the axis the earth spins on?

A

23.4 degrees

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