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, March 11, 2018
Today's Astronomy Picture of the Day is, alas, not sign of interstellar conflict. Herbig-Haro 24 in the Orion B molecular cloud complex displays opposing jets of gas from a newborn star in the nebula.