cloud nebula

Why would the sky glow red? An aurora! A solar storm in 2012, mostly coming from an active sunspot, showered particles on the Earth that excited oxygen atoms high in the Earth’s atmosphere. As the excited element’s electrons fell back to their ground state, they emitted a red glow. 

The sky that night, however, also glowed with more familiar but more distant objects, including the central disk of our Milky Way Galaxy on the left, and the neighboring Large and Small Magellanic Cloud galaxies on the right. 

Image Credit & Copyright: Alex Cherney (Terrastro, TWAN)

Here’s the labelled image for anyone who is interested:

instagram

Finally decided on a palette. Painting until I pass out now. #star #watercolor #art #space #clouds #blue #paint #painting #wip #purple #process #illustration #surreal #fantasy #nebula

Made with Instagram

NGC 2170: Still Life with Reflecting Dust 
Image Credit & Copyright: Adam Block, Mt. Lemmon SkyCenter, U. Arizona

Explanation: In this beautiful celestial still life composed with a cosmic brush, dusty nebula NGC 2170 shines at the upper left. Reflecting the light of nearby hot stars, NGC 2170 is joined by….

Keep reading