2015年7月28日 星期二

DSCOVR's Halo

The Deep Space Climate Observatory (DSCOVR) has begun sending us fresh, whole-hemisphere images of our own fragile planet. Some sources say that the spacecraft is "orbiting" the L1 point. Dave Doody thinks this warrants some scrutiny.

from Planetary Society Blog http://ift.tt/1Kw86qR
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