[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"detail-sidebar-cat-0-en-105":3,"doc-seo-297098-105":59,"doc-detail-297098-en":131},{"code":4,"msg":5,"data":6},0,"success",[7,13,18,23,28,33,38,43,48,51,55],{"id":8,"doc_module":4,"doc_module_name":9,"category_name":10,"show_sort_weight":11,"slug":12},1,"Document","Story & Novel",90,"story-novel",{"id":14,"doc_module":4,"doc_module_name":9,"category_name":15,"show_sort_weight":16,"slug":17},2,"Literature",80,"literature",{"id":19,"doc_module":4,"doc_module_name":9,"category_name":20,"show_sort_weight":21,"slug":22},4,"Exam",70,"exam",{"id":24,"doc_module":4,"doc_module_name":9,"category_name":25,"show_sort_weight":26,"slug":27},5,"Comic",60,"comic",{"id":29,"doc_module":4,"doc_module_name":9,"category_name":30,"show_sort_weight":31,"slug":32},6,"Technology",50,"technology",{"id":34,"doc_module":4,"doc_module_name":9,"category_name":35,"show_sort_weight":36,"slug":37},7,"Healthcare",40,"healthcare",{"id":39,"doc_module":4,"doc_module_name":9,"category_name":40,"show_sort_weight":41,"slug":42},8,"Research & Report",30,"research-report",{"id":44,"doc_module":4,"doc_module_name":9,"category_name":45,"show_sort_weight":46,"slug":47},9,"Religion & Spirituality",20,"religion-spirituality",{"id":46,"doc_module":4,"doc_module_name":9,"category_name":49,"show_sort_weight":46,"slug":50},"World Cup","world-cup",{"id":52,"doc_module":4,"doc_module_name":9,"category_name":53,"show_sort_weight":52,"slug":54},10,"Lifestyle","lifestyle",{"id":56,"doc_module":4,"doc_module_name":9,"category_name":57,"show_sort_weight":24,"slug":58},19,"General","general",{"code":4,"msg":60,"data":61},"ok",{"site_id":62,"language":63,"slug":64,"title":65,"keywords":66,"description":67,"schema_data":68,"social_meta":124,"head_meta":126,"extra_data":128,"updated_unix":130},105,"en","reports-of-planetary-geology-and-geophysics-program1987-chapter-1-outer-planet-satellites-and-rings","Reports of Planetary Geology and Geophysics Program—1987 - Chapter 1 - Outer Planet Satellites and Rings","","NASA Technical Memorandum 4041 compiles abstracts of reports produced by Principal Investigators from NASA’s Office of Space Science and Applications, Solar System Exploration Division, Planetary Geology and Geophysics Program, covering research completed during 1986. The publication summarizes significant accomplishments tied to funded grants and contracts, reflecting each investigator’s own reporting style rather than imposing editorial uniformity. Section 1 focuses on outer planet satellites, rings, and related dynamics, structures, optical properties, physical processes, and thermal evolution.",{"@graph":69,"@context":123},[70,84,106],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":40,"@type":76,"position":81},"https://docshare.wps.com/document/research-report/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/reports-of-planetary-geology-and-geophysics-program1987-chapter-1-outer-planet-satellites-and-rings/297098/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/reports-of-planetary-geology-and-geophysics-program1987-chapter-1-outer-planet-satellites-and-rings/297098.png","ImageObject",300,407,{"name":92,"@type":93},"Mack Lee","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-27","2026-09-18",true,{"@type":102,"interactionType":103,"userInteractionCount":105},"InteractionCounter",{"@type":104},"ViewAction",11,{"@type":107,"mainEntity":108},"FAQPage",[109,115,119],{"name":110,"@type":111,"acceptedAnswer":112},"What is NASA Technical Memorandum 4041 intended to do?","Question",{"text":113,"@type":114},"It compiles abstracts of reports from Principal Investigators within NASA’s Office of Space Science and Applications, Solar System Exploration Division, Planetary Geology and Geophysics Program, summarizing work conducted in 1986.","Answer",{"name":116,"@type":111,"acceptedAnswer":117},"Does the publication standardize writing style across reports?",{"text":118,"@type":114},"No editorial or stylistic uniformity is imposed; each abstract follows the style of its Principal Investigator, aiming to reflect the investigator’s research presentation.",{"name":120,"@type":111,"acceptedAnswer":121},"What topics are covered in Chapter 1?",{"text":122,"@type":114},"Chapter 1 addresses outer planet satellites and rings, including ring dynamics, ring structure, observational studies, physical processes, satellite-system histories, and thermal and dynamical evolution.","https://schema.org",{"og:url":83,"og:type":125,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":127,"canonical":83},"index,follow",{"doc_id":129,"site_id":62},297098,1789740585,{"code":4,"msg":5,"data":132},{"doc_id":129,"user_id":133,"nickname":92,"user_avatar":134,"doc_module":4,"category_id":39,"category_name":40,"doc_title":65,"doc_description":67,"doc_content":135,"file_id":136,"file_url":137,"file_type":138,"file_size":139,"view_count":105,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":140,"language":141,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":142,"faqs":143,"seo_title":144,"seo_description":67,"update_tm":130,"read_time":145,"preview_page_count":4},1236954509970,"https://us-avatar.wpscdn.com/davatar_6f874abed73319feea01a86fa6f0fab8","NASA Technical Memorandum 4041  \nNASA-TM-404119880017749  \nReports of Planetary Geologyand Geophysics Program—1987  \nLIBRARY COPY  \nJUNE 1988  \n088  \nLANGLEY RESEARCH CENTERLIBRARY,NASAHAMPTON,VIRG!NIA  \nNASA Technical Memorandum 4041  \nReports of Planetary Geologyand Geophysics Program—1987  \nNASA Ofice of Space Science and ApplicationsWasbington,D.C.  \nNational Aeronauticsand Space Administration  \nFOREWORD  \nThis is a compilation of abstracts of reports from PrincipalInvestigators of NASA's Office of Space Science and Applications,Solar System Exploration Division,Planetary Geology and GeophysicsProgram.  \nThe purpose of this publication is to document in summary formresearch work conducted in this program over the past year(1986).Each report reflects significant accomplishments within the areaof the author's funded grant or contract.  \nNo attempt has been made to introduce editorial or stylisticuniformity;on the contrary,the style of each report is thatof the Principal Investigator and may best portray his research.  \nJoseph Boyce  \nDiscipline ScientistPlanetary Geoscience Program  \nCONTENTS  \nForeword ………………………………………………………………………………………………………………………………………………………iii  \nCHAPTER 1- OUTER PLANET SATELLITES AND RINGS  \nDynamics of Outer Planet Rings ……………………………………………………………………………3  \nL.W.Esposito,G.R. Stewart,T.G. Brophy,J.E.Colwell,  \nand P.A.Yanamandra-Fisher  \nA Re-examination of Radial Diffusion in Planetary Rings …………………5  \nG.R. Stewart  \nDynamics and Structure of Planetary Rings …………………………………………………6  \nR.G. French  \nOptical Depths and Equivalent Widths of the Uranian Epsilon  \nRing from the Voyager 2 Photopolarimeter ………………………………………………………7  \nA.L.Graps,J.J.Lissauer, and M.R. Showalter  \nDynamical Studies of Planetary Rings …………………………………………………………………8  \nP.D.Nicholson  \nObservational Studies of Saturn's Rings ……………………………………………………………………11  \nC.C. Porco  \nPhysical Processes in Planetary Rings ……………………………………………………………14  \nJ.A. Burns  \nSpeculative Histories of the Uranian Satellite System ………………………17  \nS.J.Peale  \nDynamics of Satellites,Asteroids,and Rings…………………………………………18  \nS.F. Dermott  \nThermal and Dynamical Processes in the Evolution of Outer  \nPlanet Satellites …………………………………………………………………………………………………………………………………21  \nG. Schubert  \nSmal1 Satellites of Uranus ………………………………………………………………………………………………………23  \nP.C. Thomas and J. Veverka  \nSatellites of Uranus:Shapes and Topography from Limb  \nCoordinates ………………………………………………………………………………………………………………………………………………25  \nP.C. Thomas  \nShapes of Smal1 Satellites from Limb Coordinates ………………………………………28  \nP.C. Thomas  \nVolatile Processes on Large Satellites of the  \nGiant Planets …………………………………………………………………………………………………………………………………………31  \nJ.I. Lunine  \nCratering History of Umbriel,Titania, and Oberon ……………………………………………34  \nJ.B.Plescia  \nVertical Relief of Martian Wrinkle Ridges:Implications for  \nInternal Structure ………………………………………………………………………………………………………………36  \nJ.B.Plescia  \nBombardment History of the Saturn System I:Spatial and Size-  \nFrequency Distributions of Craters ……………………………………………………………………………………38  \nS.W. Squyres,J.J.Lissauer, and W.K. Hartmann  \nBombardment History of the Saturn System II:Catastrophic  \nFragmentation of Moons …………………………………………………………………………………………………………………39  \nJ.J.Lissauer and S.W. Squyres  \nCHAPTER 2- COMETS AND ASTEROIDS  \nComet Research……………………………………………………………………………………………………………………………43  \nF.L. Whipple  \nThe Rotation of Halley's Comet …………………………………………………………………………………………………46  \nS.J.Peale and J.Lissauer  \nCometary Physics and Dynamics ……………………………………………………………………………………47  \nP.R. Weissman  \nClathrates and Porosity in Cometary Nuclei ……………………………………………………………50  \nR. Smoluchowski and J.Green  \nThe Palomar Asteroid and Comet Survey(PACS),1982-1987 ……………………………52  \nC.S. Shoemaker and E.M. Shoemaker  \nMeteoroid Environment Near the Earth-Moon System ……………………………………………55  \nY. Nakamura and J. Oberst  \nThe Size Distribution of Asteroids from IRAS and the Martian  \nCratering Record……………………………………………………………………………","cbCaidH5FbNUaqzO","https://ap.wps.com/l/cbCaidH5FbNUaqzO","pdf",32262607,601,"English","# Foreword\n# CHAPTER 1 - OUTER PLANET SATELLITES AND RINGS\n## Dynamics of Outer Planet Rings\n## A Re-examination of Radial Diffusion in Planetary Rings\n## Dynamics and Structure of Planetary Rings\n## Optical Depths and Equivalent Widths of the Uranian Epsilon Ring from the Voyager 2 Photopolarimeter\n## Dynamical Studies of Planetary Rings\n## Observational Studies of Saturn's Rings\n## Physical Processes in Planetary Rings\n## Speculative Histories of the Uranian Satellite System\n## Dynamics of Satellites, Asteroids, and Rings\n## Thermal and Dynamical Processes in the Evolution of Outer Planet Satellites\n## Small Satellites of Uranus\n## Satellites of Uranus: Shapes and Topography from Limb Coordinates\n## Shapes of Small Satellites from Limb Coordinates\n## Volatile Processes on Large Satellites of the Giant Planets\n## Cratering History of Umbriel, Titania, and Oberon\n## Vertical Relief of Martian Wrinkle Ridges: Implications for Internal Structure\n## Bombardment History of the Saturn System I: Spatial and Size-Frequency Distributions of Craters\n## Bombardment History of the Saturn System II: Catastrophic Fragmentation of Moons\n# CHAPTER 2 - COMETS AND ASTEROIDS\n## Comet Research\n## The Rotation of Halley's Comet","[{\"question\":\"What is NASA Technical Memorandum 4041 intended to do?\",\"answer\":\"It compiles abstracts of reports from Principal Investigators within NASA’s Office of Space Science and Applications, Solar System Exploration Division, Planetary Geology and Geophysics Program, summarizing work conducted in 1986.\"},{\"question\":\"Does the publication standardize writing style across reports?\",\"answer\":\"No editorial or stylistic uniformity is imposed; each abstract follows the style of its Principal Investigator, aiming to reflect the investigator’s research presentation.\"},{\"question\":\"What topics are covered in Chapter 1?\",\"answer\":\"Chapter 1 addresses outer planet satellites and rings, including ring dynamics, ring structure, observational studies, physical processes, satellite-system histories, and thermal and dynamical evolution.\"}]","Reports of Planetary Geology and Geophysics Program—1987 - Chapter 1 - Outer Planet Satellites and Rings | PDF",1515]