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, September 16, 2017
Grand Finale
Today's Astronomy Picture of the Day shows the last image transmitted by the Cassini Orbiter as it was deorbited into Saturn. The science continued during Cassini's final trajectory, lasting nearly sixty seconds after it was estimated the spacecraft would be unable to maintain communications with Earth.
Goodbye, Cassini. You were, possibly, the grandest of our grand explorations.
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