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 10, 2016
Endless Streams
Today's Astronomy Picture of the Day shows galaxies caught in a river: NGC 1531, NGC 1532 and others in the constellation of Eridanus (The River).
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