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)
Wednesday, October 1, 2014
Today's Astronomy Picture of the Day is a fantastic shot from the (still working!) Hubble Space Telescope of NGC 6302 (in the constellation of Scorpius). Can you figure out the popular name for this nebula?