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Galaxy forming stars
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EU–(ENEWSPF)–13 September 2011. 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.
The conclusion is based on Herschel’s observations of two patches of sky, each about a third of the size of the full Moon.
It’s like looking through a keyhole across…
