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, April 16, 2017
Plumes
Today's Astronomy Picture of the Day illuminates recent discoveries by the hard-working Cassini orbiter around Saturn. Does life lurk under the seas of Enceladus?
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