Thursday, May 30, 2013

ScienceDaily: Stars News

ScienceDaily: Stars News


'Low sodium diet' key to old age for stars: New observations challenge current stellar theories

Posted: 29 May 2013 10:32 AM PDT

Astronomers expect that stars like the Sun will blow off much of their atmospheres into space near the ends of their lives. But new observations of a huge star cluster made using ESO's Very Large Telescope have shown -- against all expectations -- that a majority of the stars studied simply did not get to this stage in their lives at all. The international team found that the amount of sodium in the stars was a very strong predictor of how they ended their lives.

Cosmic glitch: Astronomers discover new phenomenon in neutron star

Posted: 29 May 2013 10:05 AM PDT

The physics behind some of the most extraordinary stellar objects in the universe just became even more puzzling. A group of astronomers has discovered a new kind of glitch in the cosmos, specifically in the rotation of a neutron star.

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