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, August 25, 2018
Hurtling Stars
Today's Astronomy Picture of the Day shows ESO 137-001, a spiral galaxy passing through galaxy cluster Abell 3627. ESO 137-001 is moving so fast that it appears as a galactic comet and dust and gas forms a tail.
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