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)
Thursday, February 15, 2018
The Moon that Skates
Seeming to be skating on an ice rink, today's Astronomy Picture of the Day actually shows Enceladus (and those jets of vapor!) and the rings of Saturn. Caught in "saturnlight" is another moon, Pandora. Image courtesy of the Cassini orbiter.
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