{"id":"https://openalex.org/W2007498592","doi":null,"title":"Evolution of the Earth-Moon System","display_name":"Evolution of the Earth-Moon System","publication_year":1994,"publication_date":"1994-11-01","ids":{"openalex":"https://openalex.org/W2007498592","mag":"2007498592"},"language":"en","primary_location":{"id":"mag:2007498592","doi":null,"is_oa":false,"landing_page_url":"https://ntrs.nasa.gov/search.jsp?R=19950033942","pdf_url":null,"source":{"id":"https://openalex.org/S4306499942","display_name":"AAS/Division for Planetary Sciences Meeting Abstracts #26","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"AAS/Division for Planetary Sciences Meeting Abstracts #26","raw_type":null},"volume":null,"type":"conference-abstract","is_traditional":false,"indexed_in":[],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5048892543","display_name":"Jack Wisdom","orcid":"https://orcid.org/0000-0002-6142-0653","observed_orcids":["https://orcid.org/0000-0002-6142-0653"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Jack Wisdom","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5072477619","display_name":"Jihad Touma","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Jihad Touma","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":79,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":"26","issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10325","display_name":"Astro and Planetary Science","score":0.8628000020980835,"subfield":{"id":"https://openalex.org/subfields/1912","display_name":"Space and Planetary Science"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10325","display_name":"Astro and Planetary Science","score":0.8628000020980835,"subfield":{"id":"https://openalex.org/subfields/1912","display_name":"Space and Planetary Science"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10039","display_name":"Stellar, planetary, and galactic studies","score":0.03440000116825104,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11082","display_name":"Spacecraft Dynamics and Control","score":0.024299999698996544,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/earth-moon-system","display_name":"Earth-Moon system","score":0.9639999866485596},{"id":"https://openalex.org/keywords/tidal-evolution","display_name":"tidal evolution","score":0.9929999709129333},{"id":"https://openalex.org/keywords/averaged-hamiltonian","display_name":"averaged Hamiltonian","score":0.7179999947547913},{"id":"https://openalex.org/keywords/earth-obliquity","display_name":"Earth obliquity","score":0.7409999966621399},{"id":"https://openalex.org/keywords/chaotic-dynamics","display_name":"chaotic dynamics","score":0.5260000228881836},{"id":"https://openalex.org/keywords/orbital-evolution","display_name":"orbital evolution","score":0.5230000019073486}],"concepts":[{"id":"https://openalex.org/C87355193","wikidata":"https://www.wikidata.org/wiki/Q411","display_name":"Astrobiology","level":1,"score":0.6636210680007935},{"id":"https://openalex.org/C155334826","wikidata":"https://www.wikidata.org/wiki/Q210448","display_name":"Lunar orbit","level":3,"score":0.6127358675003052},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.5244569778442383},{"id":"https://openalex.org/C26148502","wikidata":"https://www.wikidata.org/wiki/Q2488752","display_name":"Earth (classical element)","level":2,"score":0.48040392994880676},{"id":"https://openalex.org/C539450922","wikidata":"https://www.wikidata.org/wiki/Q544","display_name":"Solar System","level":2,"score":0.4753682017326355},{"id":"https://openalex.org/C80368990","wikidata":"https://www.wikidata.org/wiki/Q3046459","display_name":"Earth system science","level":2,"score":0.4602457880973816},{"id":"https://openalex.org/C27638517","wikidata":"https://www.wikidata.org/wiki/Q184274","display_name":"Celestial mechanics","level":2,"score":0.434165358543396},{"id":"https://openalex.org/C152067771","wikidata":"https://www.wikidata.org/wiki/Q495307","display_name":"Moon landing","level":3,"score":0.4181267321109772},{"id":"https://openalex.org/C196644772","wikidata":"https://www.wikidata.org/wiki/Q3884964","display_name":"Orbit (dynamics)","level":2,"score":0.4125722348690033},{"id":"https://openalex.org/C13280743","wikidata":"https://www.wikidata.org/wiki/Q131089","display_name":"Geodesy","level":1,"score":0.3944704234600067},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.3230723738670349},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.22618868947029114},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.16729703545570374},{"id":"https://openalex.org/C29829512","wikidata":"https://www.wikidata.org/wiki/Q40218","display_name":"Spacecraft","level":2,"score":0.16006475687026978},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.12710246443748474},{"id":"https://openalex.org/C2779821442","wikidata":"https://www.wikidata.org/wiki/Q41633","display_name":"Apollo","level":2,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C90856448","wikidata":"https://www.wikidata.org/wiki/Q431","display_name":"Zoology","level":1,"score":0.0},{"id":"https://openalex.org/C111368507","wikidata":"https://www.wikidata.org/wiki/Q43518","display_name":"Oceanography","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"mag:2007498592","doi":null,"is_oa":false,"landing_page_url":"https://ntrs.nasa.gov/search.jsp?R=19950033942","pdf_url":null,"source":{"id":"https://openalex.org/S4306499942","display_name":"AAS/Division for Planetary Sciences Meeting Abstracts #26","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"AAS/Division for Planetary Sciences Meeting Abstracts #26","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W3121473157","https://openalex.org/W1992455018","https://openalex.org/W2033986977","https://openalex.org/W3101069136","https://openalex.org/W1999093968","https://openalex.org/W2033153190","https://openalex.org/W3027772835","https://openalex.org/W2033617621","https://openalex.org/W2134596949","https://openalex.org/W3128063625"],"abstract_inverted_index":{"The":[0],"tidal":[1,12],"evolution":[2],"of":[3,11,22,27,32,56,70,73],"the":[4,23,33,42,54,57,71,74,80],"Earth-Moon":[5,36],"system":[6,37],"is":[7,84],"reexamined.":[8],"Several":[9],"models":[10],"friction":[13],"are":[14,38,60],"first":[15],"compared":[16],"in":[17,41],"an":[18],"averaged":[19],"Hamiltonian":[20],"formulation":[21],"dynamics.":[24],"With":[25],"one":[26],"these":[28],"models,":[29],"full":[30],"integrations":[31],"tidally":[34],"evolving":[35,48,81],"carried":[39],"out":[40],"complete,":[43],"fully":[44],"interacting,":[45],"and":[46],"chaotically":[47],"planetary":[49],"system.":[50],"Classic":[51],"results":[52],"on":[53],"history":[55,69],"lunar":[58,82],"orbit":[59,83],"confirmed":[61],"by":[62],"our":[63],"more":[64],"general":[65],"model.":[66],"A":[67],"detailed":[68],"obliquity":[72],"Earth":[75],"which":[76],"takes":[77],"into":[78],"account":[79],"presented.":[85]},"counts_by_year":[{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":6},{"year":2018,"cited_by_count":3},{"year":2017,"cited_by_count":2},{"year":2016,"cited_by_count":3},{"year":2015,"cited_by_count":5},{"year":2014,"cited_by_count":5},{"year":2013,"cited_by_count":2},{"year":2012,"cited_by_count":5}],"updated_date":"2026-11-03T10:50:19.383937","created_date":"2016-06-24T00:00:00"}
