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)
Sunday, March 10, 2019
Shadows
Today's Astronomy Picture of the Day shows our Moon rising through the shadow cast by Mauna Kea in Hawai'i. (Look for the description of a similar sight in Arthur C. Clarke's The Fountains of Paradise.)
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