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How Does Star Formation Affect the Large Scale Structure of the ISM?

Published online by Cambridge University Press:  25 May 2016

Jan Palouš
Jan Palouš*
Affiliation:
Astronomical Institute, Boční II 1401, 141 31 Prague 4, Czech Republic

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Nearly all the star formation in the Milky Way and nearby spiral galaxies occurs in the giant molecular clouds (GMC). Inside the GMC's the units of star formation are the high density (≥ 103 cm –3) and high mass (≥ 103 M ⊙) clumps (Blitz, 1991). Once a GMC is “infected” by star formation many clumps form stars producing a star forming region. The formation of massive stars induces destructive processes, such as H2 dissociation, HI ionization, stellar winds and supernova explosions, thus self-limiting the lifetime of GMC to ∼ 3 107 years.

Type
Chapter 7: How are we to Understand the Small Scale Structure of the ISM?
Information
Symposium - International Astronomical Union , Volume 169: Unsolved Problems of the Milky Way , 1996 , pp. 583 - 590
Copyright
Copyright © Kluwer 1996 

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