Scientists unlock secrets of spiral galaxy arms

04/3/2013 | Space Reporter, The

A computer simulation could be the key to understanding how spiral galaxies, including the Milky Way, acquire and maintain their unique arms. The spiral arms, long believed to be a fleeting feature, are actually "self-perpetuating, persistent and surprisingly long lived," said Mark Vogelsberger of the Harvard-Smithsonian Center for Astrophysics. Researchers say their findings suggest large molecular clouds help form the spiral arms. Once formed, the galaxy is capable of maintaining them indefinitely.

View Full Article in:

Space Reporter, The

Published in Brief: