2014年10月13日 星期一

Video Introduction to Comet Siding Spring’s Near Miss at Mars

On October 19, 2014, Comet Siding Spring will fly very close to Mars. Here’s a 5 minute video introduction to get you up to speed on this planetary near miss, and some suggestions on how to find out more now, during, and after the encounter.



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

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