Comet Halley dust environment from SP-2 detector measurements

Details Comet Halley dust environment from SP-2 detector measurements Comet Halley dust environment from SP-2 detector measurements

May 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986natur.321..276m&link_type=abstract

Nature (ISSN 0028-0836), vol. 321, May 15, 1986, p. 276-278.

Physics

92

Cosmic Dust, Halley'S Comet, Vega Project, Particle Flux Density, Particle Size Distribution, Comets, Halley, Spacecraft Observations, Mission Description, Experiments, Sp-2, Dust Particle Counter, Vega 1, Vega 2, Distribution, Dust, Mass, Particles, Impacts, Comae, Comet Nuclei, Distance, Density, Size, Jets, Equipment, Procedure, Symmetry, Analysis, Flux

Scientific paper

The findings of the SP-2 experiment, carried by the Vega spacecraft during their encounter with comet Halley and designed to determine the spatial distribution of cometary dust particles and their mass distribution over the range 10 to the -16th to 10 to the -6th, are discussed. The dust particle flux distributions and mass distributions along the two trajectories are shown and described. A number of remarkable features are reported, including a high density of submicrometer-sized particles, considerable variations in the particle mass distribution observed in different regions of the coma and particularly in jets, and the asymmetry relative to the comet-sun line.

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