Abstract
The distribution of molecular clouds in the Galactic disk is reviewed, including all the data available to date from the Columbia CO Galactic surveys1. Using the CS (J = 2 → 1) transition as a tracer of dense molecular gas associated with embedded compact H II regions, we present and discuss the distribution of young massive stars in the third and fourth Galactic quadrants and examine the process of molecular cloud-cloud collisions as a mechanism for massive star formation.
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Bronfman, L. (1992). Molecular Clouds and Young Massive Stars in the Galactic Disk. In: Blitz, L. (eds) The Center, Bulge, and Disk of the Milky Way. Astrophysics and Space Science Library, vol 180. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-2813-1_7
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DOI: https://doi.org/10.1007/978-94-011-2813-1_7
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