ScienceDaily: Cosmic Rays News |
- Green Pea galaxies could help astronomers understand early universe
- Search for dark matter: Experiment measures antimatter excess in cosmic ray flux
- Taken under the 'wing' of the small magellanic cloud: First detection of X-ray emission from young stars with masses similar to our Sun outside our Milky Way galaxy
| Green Pea galaxies could help astronomers understand early universe Posted: 03 Apr 2013 11:14 AM PDT The rare Green Pea galaxies discovered by the general public in 2007 could help confirm astronomers' understanding of reionization, a pivotal stage in the evolution of the early universe. |
| Search for dark matter: Experiment measures antimatter excess in cosmic ray flux Posted: 03 Apr 2013 08:53 AM PDT The international team running the Alpha Magnetic Spectrometer (AMS) today announced the first results in its search for dark matter. They report the observation of an excess of positrons in the cosmic ray flux. The results are consistent with the positrons originating from the annihilation of dark matter particles in space, but not yet sufficiently conclusive to rule out other explanations. |
| Posted: 03 Apr 2013 07:42 AM PDT The Small Magellanic Cloud (SMC) is one of the Milky Way's closest galactic neighbors. In fact, it was so bright that many navigators used this object to make their way across the oceans. A new composite image shows this galaxy like Ferdinand Magellan, who lends his name to the SMC, could never have imagined. New Chandra data of the SMC have provided the first detection of X-ray emission from young stars with masses similar to our Sun outside our Milky Way galaxy. |
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