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, July 10, 2016
Conjunction
Today's Astronomy Picture of the Day brings us a "close" encounter between the Moon and Jupiter (with four moons visible).
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