On the case of the "missing" helium
- From: Sam Wormley <swormley1@xxxxxxxxx>
- Date: Sat, 28 Oct 2006 02:46:26 GMT
On the case of the "missing" helium (Oct 27)
http://physicsweb.org/article/news/10/10/16
Astrophysicists may have solved the embarrassing problem of why there is
so much less helium-3 in the universe than predicted by standard
cosmology and star-evolution theories. Peter Eggleton of the Lawrence
Livermore National Laboratory in the US and colleagues at Monash
University in Australia have calculated that when aging low-mass stars
swell to become "red giants", the large amount of helium-3 they have
produced is pushed down into the starsâEUR(TM) hot interiors, where it
is then burnt up. The result suggests that our understanding of the Big
Bang is correct after all (Sciencexpress 1133065).
.
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