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)
Thursday, October 24, 2013
Little Sunset
Today's Astronomy Picture of the Day is a nadir-to-zenith around-the-horizon view of sunset and the anti-twilight arch known as the Belt of Venus.
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