| Abstract: | The nucleus of the Jupiter-family comet 19P/Borrelly was closely observed by the Miniature Integrated Camera and Spectrometer aboard the Deep Space 1 spacecraft on 22 September 2001. The 8-kilometer-long body is highly variegated on a scale of 200 meters, exhibiting large albedo variations (0.01 to 0.03) and complex geologic relationships. Short-wavelength infrared spectra (1.3 to 2.6 micrometers) show a slope toward the red and a hot, dry surface (???345 kelvin, with no trace of water ice or hydrated minerals), consistent with ???10% or less of the surface actively sublimating. Borrelly‘s coma exhibits two types of dust features: fans and highly collimated jets. At encounter, the near-nucleus coma was dominated by a prominent dust jet that resolved into at least three smaller jets emanating from a broad basin in the middle of the nucleus. Because the major dust jet remained fixed in orientation, it is evidently aligned near the rotation axis of the nucleus. |
| Genre: | Article |
| ProdID: | 70024681 |
| Citation Author: | Soderblom, L. A.; Becker, T. L.; Bennett, G.; Boice, D. C.; Britt, D. T.; Brown, R. H.; Buratti, B. J.; Isbell, C.; Giese, B.; Hare, T.; Hicks, M. D.; Howington-Kraus, E.; Kirk, R. L.; Lee, M.; Nelson, R. M.; Oberst, J.; Owen, T. C.; Rayman, M. D.; Sandel, B. R.; Stern, S. A.; Thomas, N.; Yelle, R. V. |
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| Citation End Page: | 1091 |
| Citation Issue: | 5570 |
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| Citation Language: | English |
| Citation Larger Work Title: | Science |
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| Citation Number Of Pages: | 5 |
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| Citation Search Results Text: | Observations of comet 19P/Borrelly by the miniature integrated camera and spectrometer aboard deep space 1; 2002; Article; Journal; Science; Soderblom, L. A.; Becker, T. L.; Bennett, G.; Boice, D. C.; Britt, D. T.; Brown, R. H.; Buratti, B. J.; Isbell, C.; Giese, B.; Hare, T.; Hicks, M. D.; Howington-Kraus, E.; Kirk, R. L.; Lee, M.; Nelson, R. M.; Oberst, J.; Owen, T. C.; Rayman, M. D.; Sandel, B. R.; Stern, S. A.; Thomas, N.; Yelle, R. V. |
| Citation Start Page: | 1087 |
| Citation Volume: | 296 |
| Citation Year: | 2002 |
| Type: | citation/reference |
| Text: | Observations of comet 19P/Borrelly by the miniature integrated camera and spectrometer aboard deep space 1; 2002; Article; Journal; Science; Soderblom, L. A.; Becker, T. L.; Bennett, G.; Boice, D. C.; Britt, D. T.; Brown, R. H.; Buratti, B. J.; Isbell, C.; Giese, B.; Hare, T.; Hicks, M. D.; Howington-Kraus, E.; Kirk, R. L.; Lee, M.; Nelson, R. M.; Oberst, J.; Owen, T. C.; Rayman, M. D.; Sandel, B. R.; Stern, S. A.; Thomas, N.; Yelle, R. V. |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/outside_thumb.jpg |
| URL (DIGITAL OBJECT IDENTIFIER): | http://dx.doi.org/10.1126/science.1069527 |
| Date Other: | Tue, 1 Jan 2002 00:00 -0600 |
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