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)
Thursday, May 14, 2015
Flashes
Today's Astronomy Picture of the Day shows the mysterious bright spots on the surface of dwarf planet Ceres. Views from the Dawn vehicle will only get better and better. What is causing the reflection?
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