Comet Halley's outburst

Details Comet Halley's outburst Comet Halley's outburst

Jul 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991mnras.251p..26h&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 251, July 1, 1991, p. 26P-29P.

Astronomy and Astrophysics

Astronomy

23

Comet Nuclei, Cosmic Dust, Halley'S Comet, Asteroids, Brightness Distribution, Charge Coupled Devices, Solar Wind

Scientific paper

It is suggested that the outburst suffered by Comet Halley (1986 III) in early February 1991, was caused by the ejection from the nucleus of 1.4 x 10 to the 13th g of dust, this being about 0.02 per cent of the cometary mass. The energy required was in the range 2 x 10 to the 19th to 2 x 10 to the 23rd erg. The most likely source of this energy was an impact, with a member of an outer asteroid belt, the impacting object having a diameter of between about 2.6 and 60 m.

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