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, November 1, 2017
The God Nebula
Today's Astronomy Picture of the Day is a deep dive into NGC 2359 (found in Canis Major). Popularly known as "Thor's Helmet", we have a "tiny" bubble of gas being blown by the energetic "breath" of a young star.