... Some astronomers ignore low-massstars because they aren t very bright. ... However, stars with initial masses between about 0.8 Msun and 8 Msun (AGB stars) play an important role as the main site of the ...
... observations of star-forming regions indicate that massivestars disrupt the protoplanetary disks around neighboring lower mass ... This value for is close to the ;0:8 0:2 found for very low massstars (Bejar et al. 2001). ...
... that a supernova (an exploding massivestar) coincided with a cosmological gamma ray ... Telescope, which showed that the exploding object had to be a massivestar ... is that GRBs occur when a massivestar's core collapses into a black hole, which ...
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Ссылки http://www.mso.anu.edu.au/annualReport/2002/RSAA_AnnRep_2002.pdf -- 1830.6 Кб -- 15.10.2004 Похожие документы
... CEPHEID VARIABLE STARS: A Cepheid variable or Cepheid is a member of a particular class of very luminous, massive variable stars with pulsation periods of 1-70 days. ...
... These need massive black holes to power their activity, and it is hard to form black holes without forming stars and galaxies ... back down the potential wells until, Poof! it is all blown out again, leaving a few more neutron stars and low massstars ...
... Cambridge University Press, Cambridge, p. 275 . 9. Multiple stellar populations in massive LMC star clusters . ... Cambridge University Press, Cambridge, p. 273 . 4. Black holes and core expansion in massivestar clusters . ...