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 2, 2018
Across the Galactic Plane
Today's Astronomy Picture of the Day shows all the colors of the Galactic Plane. "Mouseover" the image in the link for a guide to the wonders seen here.
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