ScienceDaily: Galaxies News |
| Glimmer of light in the search for dark matter Posted: 26 Feb 2014 04:48 AM PST Astrophysicists may have identified a trace of dark matter that could signify a new particle: the sterile neutrino. Another research group reported a very similar signal just a few days before. |
| Bullying black holes force galaxies to stay red and dead Posted: 25 Feb 2014 10:43 AM PST Astronomers have discovered massive elliptical galaxies in the nearby Universe containing plenty of cold gas, even though the galaxies fail to produce new stars. Comparison with other data suggests that, while hot gas cools down in these galaxies, stars do not form because jets from the central supermassive black hole heat or stir up the gas and prevent it from turning into stars. Giant elliptical galaxies are the most puzzling type of galaxy in the Universe. |
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