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, November 7, 2015
Two Arches
Today's Astronomy Picture of the Day is a spectacular view from the 15-year-old International Space Station: Above, the Earth. Center, the Milky Way. Below, the ISS.
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