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, November 16, 2014
Into the Swan
Today's Astronomy Picture of the Day gives us another view of one of the northern hemisphere sky this time of year. Buried in Cygnus the Swan is Sh2-101, a complex mixture of gas and dust known as The Tulip Nebula.