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)
Saturday, December 23, 2017
The Children of Phaethon
Today's Astronomy Picture of the Day shows Earth-crossing asteroid Phaethon and the traces of two Geminid meteors. It's generally thought that the Geminids are debris from and about that asteroid.
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