ScienceDaily: Cosmic Rays News |
- Tiny 'nanoflares' might heat the Sun's corona
- Cosmic jets of young stars formed by magnetic fields
- Inexplicable signal from unseen universe provides tantalizing clue about one of astronomy's greatest secrets - dark matter
| Tiny 'nanoflares' might heat the Sun's corona Posted: 16 Oct 2014 02:06 PM PDT Why is the Sun's million-degree corona, or outermost atmosphere, so much hotter than the Sun's surface? This question has baffled astronomers for decades. Today, a team led by Paola Testa is presenting new clues to the mystery of coronal heating. The team finds that miniature solar flares called 'nanoflares' -- and the speedy electrons they produce -- might partly be the source of that heat, at least in some of the hottest parts of the Sun's corona. |
| Cosmic jets of young stars formed by magnetic fields Posted: 16 Oct 2014 11:37 AM PDT Astrophysical jets are counted among our universe's most spectacular phenomena: From the centers of black holes, quasars, or protostars, these rays of matter sometimes protrude several light years into space. Now, for the first time ever, an international team of researchers has successfully tested a new model that explains how magnetic fields form these emissions in young stars. |
| Posted: 16 Oct 2014 05:54 AM PDT The first potential indication of direct detection of Dark Matter – something that has been a mystery in physics for over 30 years -- has been attained. Astronomers found what appears to be a signature of 'axions', predicted 'Dark Matter' particle candidates. |
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