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)
Monday, July 28, 2014
Horse of a Different Color
Today's Astronomy Picture of the Day brings us Barnard 33 in Orion, the Horsehead Nebula. Today's image combines several pictures taken in different frequencies of light to shed some detail in the the dark.