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, June 24, 2019
Anticrepuscular Convergence
Today's Astronomy Picture of the Day shows rays opposite (anti) of the Sun converging to a point that mirrors the Sun's position.
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