Image of the Day: Quintet of Galaxies Rocked by Shock Wave Larger than the Milky Way
11 Jun 2012, 17:30 UTC
(200 words excerpt, click title or image to see full post)
Infrared observations made with NASA's Spitzer Space Telescope revealed the presence of a huge intergalactic shock wave, or "sonic boom" in the middle of Stephan's Quintet, a group of galaxies which is now the scene of a gigantic cosmic cataclysm....
Note: All formatting and links have been removed - click title or image to see full article.
