ScienceCasts: Close Approach Comets

ScienceAtNASA
ScienceAtNASA
40.8 هزار بار بازدید - 7 سال پیش - Visit
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In 2017 and 2018, three comets will pass near the Earth providing the opportunity to observe and study these icy interlopers.

4*P Morphology Campaign: http://www.psi.edu/41P45P46P
7 سال پیش در تاریخ 1396/02/01 منتشر شده است.
40,816 بـار بازدید شده
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