RT @ObservingSpace: Composite pic of the #sun’s sunspots between Oct. 17-29 at 21:45 UTC
Jupiter & Earth are used as scales #ar2192 #nasa http://t.co/6bwKoN1pnd
RT @ObservingSpace: Composite pic of the #sun’s sunspots between Oct. 17-29 at 21:45 UTC
Jupiter & Earth are used as scales #ar2192 #nasa http://t.co/6bwKoN1pnd