2016年4月19日 星期二

A new angle on Mars for Mars Odyssey

Mars Odyssey has been in space for 15 years. It flies in a special "sun-synchronous" orbit, crossing the equator at roughly the same local time every day. Over time, the Odyssey mission has changed what that local time of day is, and I just realized something cool about how those changes show up in the geometry of its images.

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