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)
Tuesday, January 5, 2016
Well of Stars
Today's Astronomy Picture of the Day shows the Lagoon Nebula, made up of an open cluster (NGC 6530), Messier 8 and NGC 6523. Globules show ongoing star formation, making this a well of stars.