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)
Wednesday, February 3, 2016
Disrupted
Today's Astronomy Picture of the Day shows Messier 81 and Messier 82. Notice anything about Messier 82? It's been in a tug-of-war with Messier 81. And gotten off a bit worse for the wear.
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