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)
Tuesday, September 9, 2014
Test Image
Today's Pluto Picture of the Day shows a test image acquired by the Long Range Reconaissance Imager (LORRI) on the New Horizons vehicle used to calibrate the instrument.
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