The European satellite Herschel acquired images of Comet Siding Spring before its death in 2013 — thanks to an observing proposal from an amateur astronomer!
from Planetary Society Blog http://ift.tt/10nQv2s
via IFTTT
from Planetary Society Blog http://ift.tt/10nQv2s
via IFTTT
沒有留言:
張貼留言