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)
Thursday, November 22, 2018
Fall Colors
Today's Astronomy Picture of the Day shows NGC 281, looking positively autumnal in the constellation of Cassiopeia.
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