Astronomers examined around 70,000 galaxies to address an important unsolved mystery in astrophysics
Study explains why galaxies stop creating stars Astronomers examined around 70,000 galaxies to address an important unsolved mystery in astrophysics Date: July 8, 2016 Source: University of California - Riverside Summary: Using a large sample of around 70,000 galaxies, a team of researchers led by University of California, Riverside astronomers may have an answer to an outstanding problem in the study of the evolution of galaxies: Why do galaxies stop creating stars? Share: AddThis Sharing Buttons FULL STORY ESO 137-001 is a perfect example of a spiral galaxy zipping through a crammed cluster of galaxies. Gas is being pulled from its disc in a process called ram pressure stripping. The galaxy appears to be losing gas as it plunges through the Norma galaxy cluster. Credit: NASA, ESA, and the Hubble Heritage Team (STScI/AURA). Galaxies come in three main shapes -- elliptical, spiral (such as the Milky Way) and irregular. They can be massive or sm...