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)
Wednesday, March 13, 2013
The Eyes Have It
Today's Astronomy Picture of the Day is a Hubble Space Telescope shot of NGC 6751, the "Glowing Eye Nebula". Someone is watching you!
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