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Topic: Herschel

Herschel Mission Finds Galactic Growth Slow and Steady

 

Written by Whitney Clavin
Jet Propulsion Laboratory

NASA - National Aeronautics and Space AdministrationPasadena, CA – The Herschel infrared space observatory has discovered that galaxies do not always need to collide with each other to drive vigorous star birth. The finding overturns a long-held assumption and paints a more stately picture of how galaxies evolve.

Herschel is a European Space Agency mission with important contributions from NASA and NASA’s Jet Propulsion Laboratory in Pasadena, CA.

In this artist's conception, a galaxy accretes mass from rapid, narrow streams of cold gas. These filaments provide the galaxy with continuous flows of raw material to feed its star-forming at a rather leisurely pace.  (Image credits: ESA–AOES Medialab)

In this artist's conception, a galaxy accretes mass from rapid, narrow streams of cold gas. These filaments provide the galaxy with continuous flows of raw material to feed its star-forming at a rather leisurely pace. (Image credits: ESA–AOES Medialab)

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