Astronomy and Astrophysics – Astronomy
Scientific paper
May 1980
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980m%26p....22..331n&link_type=abstract
(Laboratorio di Astrofisica Spaziale di Frascati, European Workshop on Planetary Sciences, Rome, Italy, Apr. 23-27, 1979.) Moon
Astronomy and Astrophysics
Astronomy
Milky Way Galaxy, Protostars, Star Formation, B Stars, Interstellar Gas, Molecular Gases, O Stars, Stellar Magnetic Fields, Stellar Mass
Scientific paper
A review of topics on star formation centered on the observed properties of young stars and their environment is presented. It is shown that (1) in our Galaxy, young stellar objects are associated with giant molecular clouds, (2) giant molecular clouds cannot be in free-fall collapse and are probably stabilized by magnetic fields which are likely to dominate the dynamical evolution of the clouds, and (3) star formation occurs mostly in spiral arms. In addition, it was shown that the formation of massive stars can perturb the evolution of the progenitor cloud, concluding that a number of clouds in the Galaxy are probably the best source of information on the primary triggering mechanism and the initial conditions for star formation.
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