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)
Monday, October 14, 2019
The Busy Sky
Today's Astronomy Picture of the Day shows Messier 31, the Andromeda Galaxy. 300 images, each taken over 30 seconds were stacked. As a result, the quiet sky is streaked with meteors, satellites, airplane lights and more. "Mouseover" the image in the link to switch between the two versions: cleaned up and "natural" or see the second image below.
Subscribe to:
Post Comments (Atom)
No comments:
Post a Comment