Animation of a starburst galaxy (artist’s impression)
This animation shows a galaxy undergoing a starburst. The galaxy has messy regions strung throughout its arms that are intensely bright and forming new stars. The winds produced by these star-forming processes can have an incredibly far-reaching effect on their host galaxy.
More information and download-options: http://www.spacetelescope.org/videos/heic1308b/
ESA, NASA & L. Calçada