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 25, 2018
Today's Astronomy Picture of the Day focuses in on Nova Carinae 2018, a newly discovered "rapidly expanding" star. How bright will it become? Keep watching!