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, September 19, 2018
Deep Look
Today's Astronomy Picture of the Day probes the subtle beauty of IC 5146 in the constellation of Cygnus. Astounding work!
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