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Card 6

Front

how old is the solar system?

Back

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Card 7

Front

how old is the earth?

Back

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Card 8

Front

what is the asteroids belt and where it locates?

Back

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Card 9

Front

what are asteroids?

Back

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Card 10

Front

what are comets?

Back

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Card 11

Front

what are meteorites?

Back

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Card 12

Front

how was the solar system formed?

Back

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Card 13

Front

what is the big bang?

Back

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Card 14

Front

what are carbonaceous chondrites made of and to which object its composition is similar?

Back

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Card 15

Front

what is the evidence for impact craters?

Back

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