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)
Saturday, April 30, 2016
Edge Case
Today's Astronomy Picture of the Day shows the (currently unnamed) moon of dwarf planet Makemake in silhouette around Makemake. Let's pay a visit!
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