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, July 3, 2017
Great Wall of Stars
Today's Astronomy Picture of the Day shows the Summer Triangle over the Great Wall of China. Behind: a veritable wall of stars in the Milky Way. "Mouseover" the image in the link for a guide.
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