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 28, 2019
Paris by Night
Today's Astronomy Picture of the Day brings us the City of Light on the shortest night of the year, the summer solstice.
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