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, November 18, 2014
Kick It Up a Notch
The dynamic home star! It's been a good year for aurora for those in the northern latitudes.
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