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Quiz - California Study Finds Moon is 4.51 Billion Years Old
March 02, 2017
See how well you understand the story by taking this quiz.
Question 1 / 6
Why did some scientists question the original estimate of the moon’s age?
They believed that Mars could not have struck Earth at that time.
They thought that the moon must be older since the Earth is older.
They felt that not enough research had been done on moon rocks.
They said that it did not leave enough time for life to begin on Earth.
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Quiz - California Study Finds Moon is 4.51 Billion Years Old
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