Has Comet Halley retained its primordial angular momentum?

Details Has Comet Halley retained its primordial angular momentum? Has Comet Halley retained its primordial angular momentum?

Jun 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988natur.333..834f&link_type=abstract

Nature (ISSN 0028-0836), vol. 333, June 30, 1988, p. 834, 835.

Physics

3

Angular Momentum, Cosmology, Halley'S Comet, Planetary Rotation, Size (Dimensions), Solar System, Stellar Mass Accretion

Scientific paper

A relationship between the "angular momentum density" (angular momentum per unit mass) and mass of the planets and asteroids, which was interpreted as resulting from the primordial accretion of these objects has been pointed out. Here the author shows that the nuclei of several comets, including Halley, obey the same relationship, suggesting that these objects too retain their primordial angular momentum. The angular momentum versus mass relation depends on the nuclear dimensions, dynamical characteristics and density. For comet Halley a bulk density of 0.30 (+0.22,-0.13) g cm-3 is yielded.

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