A stars as physics laboratories
نویسندگان
چکیده
منابع مشابه
Dense Stellar Systems as Laboratories for Fundamental Physics
Galactic nuclei and globular clusters act as laboratories in which nature experiments with normal stars, neutron stars and black holes, through collisions and through the formation of bound states, in the form of binaries. The main difference with the usual Earth-based laboratories is that we cannot control the experiments. Instead, we have no choice but to create virtual laboratories on Earth,...
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1.1 Stellar structure and evolution 2 We observe stars in the sky. They are (to order of magnitude) objects like our sun, with characteristic mass of order M » 10 kg, characteristic size of R » 10 m (well, with a range of 10 or so either way), and characteristic luminosity of L » 10 W (again with a large range). 2 Stars are observed to be constant (nearly, anyway). Since the dynamical time scal...
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Low-mass particles such as neutrinos, axions, other Nambu-Goldstone bosons and gravitons are produced in the hot and dense interior of stars. Therefore, astrophysical arguments constrain the properties of these particles in ways which are often complementary to cosmological arguments and to laboratory experiments. This review provides an update on the most important stellar-evolution limits and...
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ژورنال
عنوان ژورنال: Proceedings of the International Astronomical Union
سال: 2004
ISSN: 1743-9213,1743-9221
DOI: 10.1017/s1743921304004843