{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,18]],"date-time":"2026-08-18T15:39:44Z","timestamp":1787067584061,"version":"build-2736575974"},"reference-count":46,"publisher":"American Association for the Advancement of Science (AAAS)","issue":"19","content-domain":{"domain":["www.science.org"],"crossmark-restriction":true},"short-container-title":["Sci. Adv."],"published-print":{"date-parts":[[2024,5,10]]},"abstract":"<jats:p>One of the stranger planetary rings is Saturn\u2019s narrow, clumpy F ring, lying just outside the main rings, in a region disturbed by chaotic orbital dynamics. We show that the F ring has a stable \u201ctrue core\u201d that dominates its mass and is confined into discontinuous short arcs of particles larger than a few millimeters in radius. The more obvious micron-size particles seen in images, outlining and obscuring the true core, contribute only a small fraction of its mass. We found that these arcs of large particles orbit Saturn in a specific corotational resonance with the nearby 100-kilometer diameter ringmoon Prometheus, which stabilizes the F ring material and allows it to persist within the disturbed region for decades or longer. Toward the end of the observing period, a small chaotic glitch in the orbit of Prometheus temporarily disrupted the confinement, but the arcs seem to be able to adapt.<\/jats:p>","DOI":"10.1126\/sciadv.adl6601","type":"journal-article","created":{"date-parts":[[2024,5,10]],"date-time":"2024-05-10T13:58:45Z","timestamp":1715349525000},"update-policy":"https:\/\/doi.org\/10.34133\/aaas_crossmark","source":"Crossref","is-referenced-by-count":4,"title":["Saturn\u2019s F ring is intermittently shepherded by Prometheus"],"prefix":"10.1126","volume":"10","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-0553-1436","authenticated-orcid":true,"given":"Jeffrey N.","family":"Cuzzi","sequence":"first","affiliation":[{"name":"Ames Research Center, NASA, Moffett Field CA 94035, USA."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Essam A.","family":"Marouf","sequence":"additional","affiliation":[{"name":"San Jose State University, San Jose, CA, USA."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9858-9532","authenticated-orcid":true,"given":"Richard G.","family":"French","sequence":"additional","affiliation":[{"name":"Wellesley College, Wellesley, MA, USA."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9544-4469","authenticated-orcid":true,"given":"Carl D.","family":"Murray","sequence":"additional","affiliation":[{"name":"Queen Mary University of London, London, UK."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4901-0210","authenticated-orcid":true,"given":"Nicholas J.","family":"Cooper","sequence":"additional","affiliation":[{"name":"Queen Mary University of London, London, UK."}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"221","reference":[{"key":"e_1_3_2_2_2","doi-asserted-by":"publisher","DOI":"10.1126\/science.212.4491.163"},{"key":"e_1_3_2_3_2","doi-asserted-by":"crossref","unstructured":"C. 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