Astronomers using the NASA/ESA Hubble Space Telescope have shown for the first time that bursts of star formation have a major impact far beyond the boundaries of their host galaxy. These energetic events can affect galactic gas at distances of up to twenty times greater than the visible size of the galaxy — altering how the galaxy evolves, and how matter and energy is spread throughout the Universe.
The release, images and videos are available on:
http://www.spacetelescope.org/news/heic1308/
Kind regards,
ESA/Hubble Information Centre
The ESO Education and Public Outreach Department
25 April 2013
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