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, September 14, 2013
Central Peak
And speaking of the Moon, here's a dramatic sunrise shot of the central peak of Tycho crater.
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