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)
Monday, March 27, 2017
Down Down Down Down
Today's Astronomy Picture of the Day brings us beyond the blue event horizon. A supermassive black hole consumes a star, the accretion disk heats up and produces a jet. Astounding universe we live in!
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