Astronomers at the University of California have found outflowing galactic winds with velocities up to 2,500 km per second that they detected in 29 massive galaxies to be powered by intense bursts of star formation. Matter blasts out of the starburst galaxy M82 in this composite image (X-ray: NASA / CXC / JHU / D.Strickland; optical: NASA / ESA / STScI / AURA / the Hubble Heritage Team; IR: NASA / JPL-Caltech / Univ. of AZ / C. Engelbracht) Galactic...
