News tagged with aging stars
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Stellar family portrait takes imaging technique to new extremes
44 minutes ago |
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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 ...
Why we outlive our ape ancestors
22 hours ago |
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 ...
Black hole caught zapping galaxy into existence?
Nov 30, 2009 |
4.8 / 5 (25) |
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(PhysOrg.com) -- Which come first, the supermassive black holes that frantically devour matter or the enormous galaxies where they reside? A brand new scenario has emerged from a recent set of outstanding ...
To keep muscles strong, the 'garbage' has to go
Dec 01, 2009 |
4.7 / 5 (3) |
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In order to maintain muscle strength with age, cells must rid themselves of the garbage that accumulates in them over time, just as it does in any household, according to a new study in the December issue of Cell Metabolism. In the ...
Message for women and dogs: keeping ovaries is linked to longevity
Dec 01, 2009 |
5 / 5 (2) |
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(PhysOrg.com) -- This year, hundreds of thousands of women and pet dogs will undergo a hysterectomy and have their ovaries removed along with their uterus. Now, two independent research studies looking at longevity may challenge ...
Long-term physical activity has an anti-aging effect at the cellular level
Nov 30, 2009 |
4.5 / 5 (2) |
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Intensive exercise prevented shortening of telomeres, a protective effect against aging of the cardiovascular system, according to research reported in Circulation: Journal of the American Heart Association.
Newly discovered star one of hottest in Galaxy (w/ Video)
23 hours ago |
4.8 / 5 (17) |
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(PhysOrg.com) -- Astronomers at The University of Manchester's Jodrell Bank Centre for Astrophysics have discovered one of the hottest stars in the Galaxy with a surface temperature of around 200,000 degrees ...
Blushing dusty nebula
Dec 01, 2009 |
4.5 / 5 (2) |
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On Earth, we tend to find dust nothing more than a nuisance that blankets our furniture and causes us to sneeze. Cosmic dust can also be a hindrance to astronomers because cameras using visible light cannot ...
Suzaku spies treasure trove of intergalactic metal
20 hours ago |
4.6 / 5 (5) |
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Every cook knows the ingredients for making bread: flour, water, yeast, and time. But what chemical elements are in the recipe of our universe?
Herschel takes a peek at the ingredients of the galaxies
Nov 27, 2009 |
4.8 / 5 (9) |
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(PhysOrg.com) -- The European Space Agency has today released spectacular new observations from the Herschel Space Observatory, including the UK-led SPIRE instrument. Spectrometers on board all three Hershel ...
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