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, December 7, 2017
2017 Shadows
Today's Astronomy Picture of the Day brings us lunar and solar eclipses of the year. There was more than that "Great American"!
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