Images of Asteroid 21 Lutetia: A Remnant Planetesimal from the Early Solar System
Images obtained by the Optical, Spectroscopic, and Infrared Remote Imaging System (OSIRIS) cameras onboard the Rosetta spacecraft reveal that asteroid 21 Lutetia has a complex geology and one of the highest asteroid densities measured so far, 3.4 ± 0.3 grams per cubic centimeter. The north pole regi...
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| Format: | Article |
| Language: | en_US |
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American Association for the Advancement of Science (AAAS)
2017
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| Online Access: | http://hdl.handle.net/1721.1/110553 https://orcid.org/0000-0003-3113-3415 |
| _version_ | 1811085958502678528 |
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| author | Weiss, Benjamin P. |
| author2 | Massachusetts Institute of Technology. Department of Earth, Atmospheric, and Planetary Sciences |
| author_facet | Massachusetts Institute of Technology. Department of Earth, Atmospheric, and Planetary Sciences Weiss, Benjamin P. |
| author_sort | Weiss, Benjamin P. |
| collection | MIT |
| description | Images obtained by the Optical, Spectroscopic, and Infrared Remote Imaging System (OSIRIS) cameras onboard the Rosetta spacecraft reveal that asteroid 21 Lutetia has a complex geology and one of the highest asteroid densities measured so far, 3.4 ± 0.3 grams per cubic centimeter. The north pole region is covered by a thick layer of regolith, which is seen to flow in major landslides associated with albedo variation. Its geologically complex surface, ancient surface age, and high density suggest that Lutetia is most likely a primordial planetesimal. This contrasts with smaller asteroids visited by previous spacecraft, which are probably shattered bodies, fragments of larger parents, or reaccumulated rubble piles. |
| first_indexed | 2024-09-23T13:18:33Z |
| format | Article |
| id | mit-1721.1/110553 |
| institution | Massachusetts Institute of Technology |
| language | en_US |
| last_indexed | 2024-09-23T13:18:33Z |
| publishDate | 2017 |
| publisher | American Association for the Advancement of Science (AAAS) |
| record_format | dspace |
| spelling | mit-1721.1/1105532024-05-15T07:21:03Z Images of Asteroid 21 Lutetia: A Remnant Planetesimal from the Early Solar System Weiss, Benjamin P. Massachusetts Institute of Technology. Department of Earth, Atmospheric, and Planetary Sciences Weiss, Benjamin Weiss, Benjamin P Images obtained by the Optical, Spectroscopic, and Infrared Remote Imaging System (OSIRIS) cameras onboard the Rosetta spacecraft reveal that asteroid 21 Lutetia has a complex geology and one of the highest asteroid densities measured so far, 3.4 ± 0.3 grams per cubic centimeter. The north pole region is covered by a thick layer of regolith, which is seen to flow in major landslides associated with albedo variation. Its geologically complex surface, ancient surface age, and high density suggest that Lutetia is most likely a primordial planetesimal. This contrasts with smaller asteroids visited by previous spacecraft, which are probably shattered bodies, fragments of larger parents, or reaccumulated rubble piles. 2017-07-07T18:26:52Z 2017-07-07T18:26:52Z 2011-04 2011-10 Article http://purl.org/eprint/type/JournalArticle 0036-8075 1095-9203 http://hdl.handle.net/1721.1/110553 Sierks, H. et al. “Images of Asteroid 21 Lutetia: A Remnant Planetesimal from the Early Solar System.” Science 334.6055 (2011): 487–490. https://orcid.org/0000-0003-3113-3415 en_US http://dx.doi.org/10.1126/science.1207325 Science Creative Commons Attribution-Noncommercial-Share Alike http://creativecommons.org/licenses/by-nc-sa/4.0/ application/pdf American Association for the Advancement of Science (AAAS) Prof. Weiss via Michael Noga |
| spellingShingle | Weiss, Benjamin P. Images of Asteroid 21 Lutetia: A Remnant Planetesimal from the Early Solar System |
| title | Images of Asteroid 21 Lutetia: A Remnant Planetesimal from the Early Solar System |
| title_full | Images of Asteroid 21 Lutetia: A Remnant Planetesimal from the Early Solar System |
| title_fullStr | Images of Asteroid 21 Lutetia: A Remnant Planetesimal from the Early Solar System |
| title_full_unstemmed | Images of Asteroid 21 Lutetia: A Remnant Planetesimal from the Early Solar System |
| title_short | Images of Asteroid 21 Lutetia: A Remnant Planetesimal from the Early Solar System |
| title_sort | images of asteroid 21 lutetia a remnant planetesimal from the early solar system |
| url | http://hdl.handle.net/1721.1/110553 https://orcid.org/0000-0003-3113-3415 |
| work_keys_str_mv | AT weissbenjaminp imagesofasteroid21lutetiaaremnantplanetesimalfromtheearlysolarsystem |