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)
Friday, January 11, 2013
Cluster (I Won't Mention Eno)
Today's Astronomy Picture of the Day shows the Fornax cluster of galaxies, a tight grouping of galaxies in this southern hemisphere constellation. The cluster is also a collection of the evolutionary stages of galaxies: spiral, elliptical, etc.
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