幫忙翻譯英文~~謝謝~then.........

then,between 1969and1972,the United States sent astronauts to the moon. They studied the moon and returned to Earth with rock samples. Scientists have studied these pieces of rock,the moon's movements, and infor mation about the moon and the Earth. they can finally answer questions about the origin... show more then,between 1969and1972,the United States sent astronauts to the
moon. They studied the moon and returned to Earth with rock
samples.
Scientists have studied these pieces of rock,the moon's movements,
and infor
mation about the moon and the Earth. they can finally answer
questions about
the origin of the moon.
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