Discovery of very fine dust near the nucleus of Comet Halley

Details Discovery of very fine dust near the nucleus of Comet Halley Discovery of very fine dust near the nucleus of Comet Halley

Aug 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990pazh...16..729s&link_type=abstract

Pis'ma v Astronomicheskii Zhurnal (ISSN 0320-0108), vol. 16, Aug. 1990, p. 729-736. In Russian. In Russian.

Astronomy and Astrophysics

Astronomy

Astronomical Spectroscopy, Comet Nuclei, Cosmic Dust, Halley'S Comet, Mass Spectroscopy, Vega Project, Giotto Mission, Ice, Protoplanets

Scientific paper

The analysis of spectra obtained with the PUMA mass analyzers on Vega 1 and 2 indicates that a large number of unidentified peaks may be connected with impacts of very fine dust particles in the mass range from 10 to the -17th to 10 to the -20th g. The mass flow of the tiny dust particles can be large as several percent of the total mass flow of dust from Comet Halley. The discovery of very fine dust particles in the Halley dust envelope is consistent with the view of the comet's nucleus as an aggregate of interstellar dust in which tiny particles are present.

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