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)
Monday, October 23, 2017
Optical Link
Today's Astronomy Picture of the Day might be visual proof of an event in another spectrum. Is the fading dot in this far galaxy the light generated by what was first detected through gravitational waves?
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