Thứ Ba, 22 tháng 5, 2018

NPR News: NASA Launching New Satellites To Measure Earth's Lumpy Gravity

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NASA Launching New Satellites To Measure Earth's Lumpy Gravity
The two satellites, which are collectively called GRACE and will replace two retired probes, are one of the most important tools for understanding the effects of climate change.

Đọc thêm tại NPR
at May 22, 2018 at 01:45AM
Health & Science
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