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)
Sunday, May 27, 2018
Loops
Today's Astronomy Picture of the Day is a short video showing eruptions, loops and even "rain"...on the Sun. Alas, that Hal Clement is not here to see this!
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