Cosmic tsunamis can bring dead galaxies back to life

April 27, 2015 2:12 AM

27 0

A radio image highlighting the shock wave (seen here as the bright arc running from bottom left to top right) in the 'Sausage' merging cluster, made using the Giant Metrewave Radio Telescope. (Credit: Andra Stroe)

Interstellar tsunamis can act as a defibrillator for “red and dead” galaxies, astronomers have discovered. When neighboring clusters of galaxies merge it causes a shock wave and new generations of stars emerge in resurrected cosmic systems.

Read more

To category page