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News and Views
Nature 452, 826-827 (17 April 2008) | doi:10.1038/452826a; Published online 16 April 2008
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Astrophysics: Blown away by cosmic rays
Dieter Breitschwerdt1
Abstract
X-ray data reveal that our Galaxy is shedding part of its gas, a phenomenon previously associated only with much more active star-forming galaxies. So what is driving the process in the Milky Way?
It has long been known that 'starburst' galaxies, which have extremely high rates of star formation, extravagantly blow away some of their star-forming gas. Writing in The Astrophysical Journal, Everett et al.1 produce convincing evidence that, although it forms stars at a more moderate rate, our own Milky Way also belongs to this profligate club.
- Dieter Breitschwerdt is at the Institute of Astronomy, University of Vienna, Türkenschanzstra
e 17, 1180 Vienna, Austria.
Email: dieter.breitschwerdt@univie.ac.at
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