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)
Friday, June 10, 2016
Amateur Photo
Today's Astronomy Picture of the Day appears to have been done by a non-professional astronomer. Let me pick my jaw up off of the floor.
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