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)
Thursday, April 5, 2018
Today's Astronomy Picture of the Day shows NGC 289 in the constellation of Sculptor. Larger than our home galaxy, NGC 289 is nicely placed to show us from the trailing wisps of the arms to the heart of the core.