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, May 23, 2019
Moon Near, Moons Far
Today's Astronomy Picture of the Day shows two astronomical sights under a cloud-decked sky: our Moon and Jupiter with three of its moons.
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