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)
Monday, July 15, 2019
Across the Bright Face
Today's Astronomy Picture of the Day shows the International Space Station moving across the quiet Sun, devoid of sun spots and mottling.
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