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)
Sunday, February 3, 2013
M42 in Orion
Today's Astronomy Picture of the Day is a wonderful shot of the Great Nebula in Orion, focusing in on LL Ori and a pronounced bowshock as the nebular gases boil off.