Star formation in a dusty plasma cloud

Details Star formation in a dusty plasma cloud Star formation in a dusty plasma cloud

Jun 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977sfdp.book.....a&link_type=abstract

Star formation in a dusty plasma cloud., by Alfvén, H.. Tek. Hoegsk., Stockholm, Sweden. Instn. Plasmafys., TRITA-EPP-77-15, 10

Astronomy and Astrophysics

Astronomy

4

Cosmic Dust, Plasma Clouds, Stellar Evolution, Angular Momentum, Astronomical Models, Formations, Gravitational Collapse, Jeans Theory, Stability

Scientific paper

The formation of a star in a plasma cloud dust is discussed. A dusty plasma cloud in space has a gravitational instability which allows star formation even at orders of magnitude below the Jean's limit for gravitational collapse. This instability leads to a stellesimal accretion which is analogous to the planetesimal accretion. If the law of isochronism which holds for planetesimal accretion is applied to the formation of our sun, it gives an acceptable angular momentum to the early sun. Furthermore, the situation in the solar environment is reconcilable with the initial condition for formation of planets.

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