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, December 1, 2013
Star Wars!
Today's Astronomy Picture of the Day shows astronomers at the Very Large Telescope in Chile firing lasers at the stars? Space war? No, measuring atmospheric blurring, the bane of good "seeing" everywhere.
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