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, March 31, 2019
Chain Chain Chain
Today's Astronomy Picture of the Day shows the heart of the Virgo Cluster of Galaxies, focusing on Markarian's Chain. Even a "amateur" telescope can peek into wonders like this.
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