These great hollow globes of artificial super-metals, and artificial transparent adamant, ranged in size from the earliest and smallest structures, which were no bigger than a very small asteroid, to spheres considerably larger than the Earth. (Olaf Stapledon, STAR MAKER)
Wednesday, January 4, 2017
Subtle
Today's Astronomy Picture of the Day shows the nebula and star clouds in and around Messier 31, the Andromeda Galaxy. It's amazing what an "amateur"can do!
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