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, September 25, 2013
81 vs. 82
Today's Astronomy Picture of the Day is a image of galaxy-on-galaxy action. Messier 81 and Messier 82, both distorted by a encounter.
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