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, July 5, 2014
Spectral Spread
Today's Astronomy Picture of the Day shows Messier 106 (NGC 4258) in the constellation of Canes Venatici. Several frequencies of light are combined to show us more detail in the structure of this galaxy than any light by itself would.
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