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, November 15, 2014
Eclipsing Active Moon
Today's Pluto Picture of the Day shows Jupiter's moon Io in eclipse. As imaged by the New Horizons vehicle on it's way to Pluto, cameras using various light frequencies captured the active geology of that tortured moon.
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