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The Profile of a Jetstream

Published online by Cambridge University Press:  12 April 2016

Lars Danielsson
Lars Danielsson*
Affiliation:
University of California, San Diego

Extract

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The Jetstream concept was introduced by Alfvén in 1969. Since then, the subject has been studied from various aspects by Danielsson (1969), Arnold (1969), Alfvén and Arrhenius (1970), Lindblad and Southworth, and Trulsen. In an attempt to define a Jetstream, we may say that it is a group of objects moving in space with almost identical orbits. The largest objects in the Jetstream may have any size, but the group must include a vast number of very small objects and their density must be large enough for the objects to interact. This means that collisions between the particles give rise to viscosity in the stream. Other interactions (e.g., by electromagnetic forces) are not excluded a priori.

Type
Part II-Origin of Asteroids Interrelations with Comets, Meteorites, and Meteors
Information
International Astronomical Union Colloquium , Volume 12: Physical Studies of Minor Planets , 1971 , pp. 353 - 362
Copyright
Copyright © NASA 1971

References

Reference

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Discussion Reference

Danielsson, L. 1969, Statistical Arguments for Asteroidal Jet Streams. Astrophys. Space Sci. 5, 53.CrossRefGoogle Scholar