Galacti9c Death

Cause of galactic death: Strangulation

May 13, 2015

Artist's impression of one of the possible galaxy strangulation mechanisms: star-forming galaxies (fed by gas inflows) are accreted into a massive hot halo, which 'strangles' them and leads to their death. Credit: University of Cambridge

As murder mysteries go, it's a big one: how do galaxies die and what kills them? A new study, published today in the journal Nature, has found that the primary cause of galactic death is strangulation, which occurs after galaxies are cut off from the raw materials needed to make new stars.

Read more at: http://phys.org/news/2015-05-galactic-death-strangulation.html#jCp