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)
Friday, March 16, 2018
Maybe If You Squint?
Today's Astronomy Picture of the Day is of several separately catalogued nebula that, when combined, resemble a seagull and a duck. Can you see it? Maybe if I squint some more?