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, May 17, 2018
Galaxy vs. Atmosphere
Today's Astronomy Picture of the Day shows the sky above Las Campanas Observatory. The arch of the Milky Way competes with "sky glow" over what is a dark sky location.
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