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 19, 2015
Eruption
Today's Astronomy Picture of the Day shows a minor outgassing on home star. (Minor = bigger than Jupiter by a few factors.)
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