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, October 28, 2017
Ghosts in Spaaaaccce!
Today's Astronomy Picture of the Day is a Hubble Space Telescope image of NGC 6369, The Little Ghost Nebula. A planetary nebula (that is not a planet) but a graveyard. How spooky!
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