Sep 11

Herschel paints new story of galaxy evolution

Source: ESA

A galaxy accretes mass from rapid, narrow streams of cold gas.
Image credits: ESA–AOES Medialab

ESA's Herschel infrared space observatory has discovered that galaxies do not need to collide with each other to drive vigorous star birth. The finding overturns this long-held assumption and paints a more stately picture of how galaxies evolve.(read more)

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