China says moon rocks offer new clues to volcanic activity
The Hindu
Samples indicate volcanic activity was still occurring on the moon as recently as 2 billion years ago.
Moon rocks brought back to Earth by a Chinese robotic spacecraft last year have provided new insights into ancient lunar volcanic activity, a researcher said on Tuesday.
Li Xianhua said an analysis of the samples revealed new information about the moon’s chemical composition and the way heat affected its development.
Mr. Li said the samples indicate volcanic activity was still occurring on the moon as recently as 2 billion years ago, compared to previous estimates that said such activity halted between 2.8 billion and 3 billion years ago.
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