The VEGA and Giotto missions - A new view on the structure of the solar system

Details The VEGA and Giotto missions - A new view on the structure of the solar system The VEGA and Giotto missions - A new view on the structure of the solar system

Apr 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988pazh...14..379m&link_type=abstract

Pis'ma v Astronomicheskii Zhurnal (ISSN 0320-0108), vol. 14, April 1988, p. 379-382. In Russian. In Russian.

Astronomy and Astrophysics

Astronomy

1

Giotto Mission, Oort Cloud, Solar System, Vega Project

Scientific paper

It is possible that in the Oort's cloud at heliocentric distances 2×104 ⪉ r ⪉ 5×104a.u. there is a mass (like a cometary nuclei) MO ≈ 1/4 ΣMp(ΣMp is the total mass of the planetary system today) which has the angular momentum of the order of 2×1051g cm2/s. This conclusion is a consequence of the hypothesis according to which the mass of comet Halley is typical for short periodic comets. The present angular momentum of the Oort's cloud is of the same order of magnitude as the total angular momentum of the planetary system before it lost volatiles.

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