... sheds its outer layers as a planetary nebula and shrinks to become a white dwarf ... scale imaging study of bow shocks in the Orion Molecular Clouds (with Ka Chun Yu and ...
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Ссылки http://star.arm.ac.uk/annrep/annrep99/Annual-Report-1999.ps -- 1265.5 Кб -- 05.05.2000 Похожие документы
... This radiation ionizes the surrounding nebula and heats the associated H II region. ... later, when Morton (1967) discovered P Cygni profiles in the spectra of supergiants in Orion indicating substantial mass loss ...