Comet Hale-Bopp, Circumstellar Dust, and the Interstellar Medium

Details Comet Hale-Bopp, Circumstellar Dust, and the Interstellar Medium Comet Hale-Bopp, Circumstellar Dust, and the Interstellar Medium

Sep 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997em%26p...79..265w&link_type=abstract

Earth, Moon, and Planets, v. 79, Issue 1/3, p. 265-274 (1997).

Physics

11

Scientific paper

The infrared spectrum of comet Hale-Bopp, as observed with the Infrared Space Observatory (ISO), presents astonishing similarities with those of the dusty disks surrounding young stars. The prominent spectral features of crystalline silicates that occur in comets, have been observed in the circumstellar media of young and old stars, yet not in the interstellar medium. We suggest from the analogy with the young-star spectra that the crystalline nature of the silicates in comet Hale-Bopp dates from the early evolution of the solar system, and also that an Oort Cloud or Kuiper Belt is presently forming around young stars observed by ISO.

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