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, November 30, 2017
Pinwheel
Today's Astronomy Picture of the Day shows Messier 33, the Triangulum or Pinwheel Galaxy, in the constellation of (surprise) Triangulum.
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