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 26, 2019
Cheerful Lens
Today's Astronomy Picture of the Day shows distant galaxies peeking around a gravitational lens and giving us a cheerful hello.
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