Surface conditions on the nucleus of Comet P/Halley

Details Surface conditions on the nucleus of Comet P/Halley Surface conditions on the nucleus of Comet P/Halley

Oct 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989jbaa...99..239s&link_type=abstract

Journal of the British Astronomical Association, vol.99, no.5, p.239-241

Astronomy and Astrophysics

Astronomy

P/Halley, Giotto Spacecraft

Scientific paper

Studies of the polarisation of light reflected from a range of carbon-dominated dust layers have been compared with the optical polarisation of sunlight reflected off the nucleus of Halley's Comet prior to perihelion passage. The measured polarisation curve from a highly roughened layer of soot is in good agreement with the data from Comet Halley. This indicates that the nucleus is covered by a thick dusty covering of low albedo. Reflectivity measurements on the soot sample indicate that the albedo of the cometary nucleus is 0.032.

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