Sunday, February 3, 2019


Today's Astronomy Picture of the Day brings us the arch of the Milky Way over the skies of Utah. The scene is disturbed by a glow. A city? No, "airglow", a chemical reaction that is ramped up in this case by gravity waves creating the patterns in the sky. "Mouseover" the image in the link to get a constellation guide.

No comments:

Post a Comment