Sunday Stellar Spectacular: Imaging the Cosmos

The Andromeda Galaxy, M31. Photo Credit: Chris Hetlage / Imaging the Cosmos

Chris Hetlage with Imaging the Cosmos offers up another stunning array of images from his observatory at the Deerlick Astronomy Village in Georgia. This dark sky community has produced stunning imagery of the majesty of space. This collection of photos contain […]

GALEX Retired After a Decade of Service to Space Science

The Andromeda galaxy, M31, observed by the now-retired ultraviolet space telescope GALEX. This composite image is false-colored, with blue representing far ultraviolet and orange representing near ultraviolet. Image Credit: NASA/JPL – Caltech.

GALEX, the Galaxy Evolution Explorer, was recently decommissioned by NASA after more than 10 years of operation. GALEX was a space […]

Chandra X-Ray Observatory Reveals 'Black Hole Bonanza' in Andromeda Galaxy

Data from Chandra’s X-ray Observatory has led astronomers to unveil 26 black holes in the Milky Way’s neighbor, the Andromeda Galaxy. This is the largest number of black hole candidates found in a galaxy outside our own. Image Credit: X-ray: NASA/CXC/SAO/R. Barnard, Z. Lee et al.; Optical: NOAO/AURA/NSF/REU Program/B. Schoening, V. Harvey and […]

Sunday Photo Spotlight: PanSTARRS Dances With Andromeda

Photo Credit: Chris Cook / cookphoto.com

This past Tuesday, photographer Chris Cook snapped this image of M31 (Messier 31), more commonly known as the Andromeda Galaxy. It shared the sky with the PanSTARRS comet, which is making its way through the solar system.

Cook produced this composite image by conducting four 20-second exposures […]