News tagged with aging stars
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A New Method of Estimating Stellar Distances
Dec 21, 2009 |
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(PhysOrg.com) -- The star Chi Cygni is located about 550 light-years away, in the direction of the constellation of Cygnus the Swan. It is a notable star because, unlike the sun which still burns hydrogen ...
Hubble's Festive View of a Grand Star-Forming Region (w/ Video)
Dec 15, 2009 |
4.5 / 5 (4) |
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(PhysOrg.com) -- Just in time for the holidays: a Hubble Space Telescope picture postcard of hundreds of brilliant blue stars wreathed by warm, glowing clouds. The festive portrait is the most detailed view of the largest ...
Theorists propose a new way to shine -- and a new kind of star
Dec 14, 2009 |
4.5 / 5 (12) |
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Dying, for stars, has just gotten more complicated. For some stellar objects, the final phase before or instead of collapsing into a black hole may be what a group of physicists is calling an electroweak star.
Inside the dark heart of the Eagle
Dec 16, 2009 |
4.6 / 5 (8) |
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(PhysOrg.com) -- Herschel has peered inside an unseen stellar nursery and revealed surprising amounts of activity. Some 700 newly-forming stars are estimated to be crowded into filaments of dust stretching ...
Stellar family portrait takes imaging technique to new extremes
Dec 03, 2009 |
4.5 / 5 (2) |
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Noted for harbouring Eta Carinae -- one of the wildest and most massive stars in our galaxy -- the impressive Carina Nebula also houses a handful of massive clusters of young stars. The youngest of these stellar ...
Twin study identifies factors associated with skin aging
Dec 21, 2009 |
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Smoking, being heavier, not using sunscreen and having had skin cancer appear to be associated with sun damage and aging of skin on the face, according to report based on a study of twins in the December issue of Archives of ...
Why we outlive our ape ancestors
Dec 02, 2009 |
4 / 5 (5) |
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In spite of their genetic similarity to humans, chimpanzees and great apes have maximum lifespans that rarely exceed 50 years. The difference, explains USC Davis School of Gerontology Professor Caleb Finch, is that as humans ...
Vampires and collisions rejuvenate stars
Dec 23, 2009 |
4.3 / 5 (7) |
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Stars in globular clusters are generally extremely old, with ages of 12-13 billion years. However, a small fraction of them appear to be significantly younger than the average population and, because they ...
Researchers ID traits of people with rare accelerated aging syndrome
Dec 15, 2009 |
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UT Southwestern Medical Center researchers have provided the most extensive account to date of the unique observable characteristics seen in patients with an extremely rare premature aging syndrome.
Giant Planet Set for a Cataclysmic Show
Dec 16, 2009 |
4.9 / 5 (16) |
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(PhysOrg.com) -- A team of Chinese astronomers have discovered a giant planet close to the exotic binary star system QS Virginis. Although dormant now, in the future the two stars will one day erupt in a violent ...
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