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المؤلفون: Gordon C. MacLeod, John Galt, Michael J. Gaylard, Sharon Saedt, E. Scalise
المصدر: The Astronomical Journal. 116:1897-1905
مصطلحات موضوعية: Physics, Star formation, Reflection nebula, Astronomy, Astronomy and Astrophysics, Astrophysics::Cosmology and Extragalactic Astrophysics, Astrophysics, Stellar classification, Spectral line, law.invention, Stars, Space and Planetary Science, law, Astrophysics::Solar and Stellar Astrophysics, Astrophysics::Earth and Planetary Astrophysics, Maser, Astrophysics::Galaxy Astrophysics