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)
Monday, October 12, 2015
Interplay
Today's Astronomy Picture of the Day takes us inside Pegasus, to a field of stars and gas apparently trapping a galaxy as if in a net (NGC 7497).
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