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, June 25, 2016
Lunar Streak
Today's Astronomy Picture of the Day shows the changing appearance of the Moon from first appearance over the horizon to near zenith: from blood to honey.
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