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 8, 2017
Butterfly of Chaos
Today's Astronomy Picture of the Day shows the Butterfly Nebula (NGC 6302), courtesy of the Hubble Space Telescope.
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