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, February 23, 2016
Lanes and Starburst
Today's Astronomy Picture of the Day peers into Centaurus A, well known for impressive lanes of dust and gas. What's that peeping through? Supernova SN2016adj!