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)
Friday, July 6, 2018
Pay the Ferryman
Today's Astronomy Picture of the Day focuses on Pluto's major moon of Charon, named after the ferryman who brought you across Styx and Acheron to the land of the dead. Visited by the New Horizons vehicle (now on the way to a January 1 encounter), here we have all we knew before New Horizon (inset in the link) and after (above and in the link).
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