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, August 23, 2015
Fractured Lenses
Today's Astronomy Picture of the Day shows multiple occurrences of a single galaxy that is being "lensed" by the affect of gravity on light emanating from that galaxy (in fact, it is postulated that 11 galaxies are being lensed here!).
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