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, April 26, 2014
Subtle Details
Today's Astronomy Picture of the Day shows a annular (nearly total) solar eclipse. Look at the subtle details that are visible at the moment of near-totality.
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