News tagged with massive galaxy

Related topics:

A Galaxy Collision in Action

This beautiful image gives a new look at Stephan's Quintet, a compact group of galaxies discovered about 130 years ago and located about 280 million light years from Earth. The curved, light blue ridge running ...

Jul 09, 2009 4.7 / 5 (10) 2

Where do supernovae come from?

(PhysOrg.com) -- Supernovae, the explosive deaths of massive stars, are among the most momentous events in the cosmos because they disburse into space all of the chemical elements that were produced inside ...

Sep 17, 2010 4.2 / 5 (10) 3 | with audio podcast