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 4, 2019
On the Trail of the Dark
Today's Astronomy Picture of the Day shows a supernova in spiral galaxy NGC 4526, part of the Virgo Cluster of galaxies. There's a long trail leading from speculation to theory to a Nobel Prize to more data to...where? We shall see!
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