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)
Wednesday, September 24, 2014
Another Family Tree
Today's Pluto Picture of the Day shows size comparisons between planets, moons and sampling of Trans-Neptunian Objects (TNO's). I never knew that Texas counted as an astronomical object, but given the state's reputation for boasting...
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