Thứ Năm, 8 tháng 9, 2016

NPR News: NASA Mission To Retrieve Ancient Asteroid Dust Is Ready For Launch

NASA Mission To Retrieve Ancient Asteroid Dust Is Ready For Launch
The mission aims to circle a hill-sized asteroid for two years, then skim its surface and bring a hearty sample of 4.5 billion-year-old dirt back to Earth.

Đọc thêm tại NPR
at September 8, 2016 at 03:57PM
Health & Science

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