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ReyaRhea Reya v spravzhnih kolorah Znimok Kassini 16 sichnya 2005Dani pro vidkrittyaData vidkrittya 23 grudnya 1672Vidkrivach i Dzhovanni Domeniko KassiniPlaneta SaturnNomer VOrbitalni harakteristiki 1 Velika pivvis 527 108 kmPericentr 526 445 kmApocentr 527 771 km 2 Orbitalnij period 4 518212 dibEkscentrisitet orbiti 0 0012583Nahil orbiti 0 345 do ploshini ekvatora planetiFizichni harakteristikiVidima zoryana velichina 10Diametr 1530 0 1 4 1526 2 1 2 1524 8 1 2 km 3 Serednij radius 763 5 0 6 km 3 Plosha poverhni 7 33 mln km Masa 2 306518 0 000353 1021 4 kgGustina 1 237 0 003 3 g sm Priskorennya vilnogo padinnya 0 264 m s Druga kosmichna shvidkist 0 635 km sPeriod obertannya navkolo svoyeyi osi 4 518212 dibNahil osi obertannya 0 Albedo 0 949 0 003 geom dlya l 550 nm 5 0 57 0 20 0 26 Bonda vedena pivkulya 6 0 63 0 11 0 12 Bonda veducha pivkulya 6 Temperatura poverhni 40 100 6 KAtmosfera slidiInshi poznachennyaSaturn VReya u VikishovishiU Vikipediyi ye statti pro inshi znachennya cogo termina Reya Re ya lat Rhea grec Ῥeᾱ drugij za rozmirom pislya Titana i dvadcyat pershij za viddalenistyu vid planeti suputnik Saturna Vidkritij Dzh D Kassini v 1672 roci Serednij diametr 1527 km 3 radius orbiti 527 tis km Suchasnu nazvu zaproponuvav Dzhon Gershel 7 na chest titanidi Reyi z davnogreckoyi mifologiyi materi kilkoh olimpijskih bogiv odnim z yakih buv Zevs Zmist 1 Fizichni harakteristiki 2 Poverhnya 3 Kilcya 4 Atmosfera 5 Galereya 6 Primitki 7 PosilannyaFizichni harakteristiki Redaguvati nbsp Znimok aparatu Kassini 6 listopada 2005 roku Velikij krater zgori Tirawa Reya krizhane tilo z serednoyu gustinoyu rivnoyu 1 237 0 003 g sm 3 Taka nizka gustina svidchit pro te sho kam yani porodi stanovlyat menshe tretini masi suputnika a reshta pripadaye na vodyanij lid Priskorennya vilnogo padinnya dorivnyuye 0 264 m s 8 Rozmiri suputnika 1530 0 1 4 1526 2 1 2 1524 8 1 2 km serednij diametr 1527 0 1 2 km 3 Nadra Reyi jmovirno majzhe ne diferencijovani en 9 Poverhnya RedaguvatiReya za skladom i geologichnoyu istoriyeyu shozha na Dionu V obidvoh suputnikiv veducha ta vedena pivkuli pomitno vidriznyayutsya veducha pivkulya ta yaka zavzhdi spryamovana v bik ruhu suputnika po orbiti oskilki osove obertannya sinhronizovane Veducha pivkulya Reyi silno kraterovana j odnoridno svitla Zadnya pivkulya maye temni dilyanki a takozh merezhu yaskravih tonkih smuzhok Spochatku vvazhalosya sho voni utvorilisya v rezultati vikidu na poverhnyu vodi chi lodu napriklad v rezultati kriovulkanizmu Odnak dani Kassini pokazali sho voni yak i shozhi ale silnishe virazheni utvorennya na Dioni ye ne vikidami rechovini a tektonichnimi ob yektami utvorenimi vnaslidok roztyaguvannya poverhni 9 krizhanimi hrebtami j obrivami Fotografiyi Reyi nadislani Kassini u sichni 2006 ostatochno pidtverdili gipotezu pro obrivi Reya maye dilyanki z riznim stupenem kraterovanosti zokrema v odnih regionah nemaye krateriv diametrom ponad 40 km a v inshih ye lishe taki 9 Ce vkazuye na te sho poverhnya suputnika suttyevo pereformuvalasya na ryadi dilyanok u period pislya intensivnih meteoritnih bombarduvan sho vidbuvalisya na pochatku formuvannya Sonyachnoyi sistemi Relyef krateriv zgladzhenij oskilki lid postupovo obtoplyuyetsya protyagom geologichno znachnih promizhkiv chasu Nazvi detalej poverhni Reyi berut iz mifiv pro stvorennya svitu 10 tomu sho sam suputnik nazvanij na chest materi olimpijskih bogiv U pershu chergu vikoristovuyut mifi narodiv Aziyi tomu sho do cogo voni buli malo predstavleni u planetnij nomenklaturi a takozh cherez te sho grecku Reyu ototozhnyuvali z maloaziatskoyu Kibeloyu 11 Stanom na 2020 rik na Reyi mayut nazvi 128 krateriv 6 lancyuzhkiv krateriv ta yihnih grup 5 kanjoniv ta yihnih grup 2 borozni ta 2 liniyi 12 Kilcya RedaguvatiDokladnishe Kilcya ReyiZa deyakimi danimi Reya mozhe mati svoyu sistemu kilec 13 14 Atmosfera RedaguvatiKosmichnij zond Kassini prolitayuchi povz Reyu v 2005 2010 rokah zahopiv u yiyi okolicyah molekuli gaziv i doslidiv yih svoyimi spektrometrami Viyavilosya sho Reya maye duzhe rozridzhenu atmosferu z kisnyu ta vuglekislogo gazu Najbilsha zareyestrovana koncentraciya kisnyu 50 mlrd molekul na kubichnij metr a vuglekislogo gazu 20 mlrd Na poverhni Reyi koncentraciya kisnyu maye buti v 5 triljoniv raziv mensha za zemnu Beretsya vin najimovirnishe z vodyanogo lodu na poverhni yakij rozkladayetsya pid chas bombarduvannya visokoenergetichnimi chastkami z magnitosferi Saturna Pohodzhennya vuglekislogo gazu mensh zrozumile 15 Galereya Redaguvati nbsp Veducha pivkulya Reyi z molodim kraterom Inktomi otochenim yaskravimi promenyami nbsp Zadnya pivkulya Reyi nbsp Reya bazova karta sichen 2011 nbsp Porivnyannya rozmiriv Zemli Misyacya ta Reyi nbsp Znimok Kassini 10 lyutogo 2015 Rozdilna zdatnist 330 m piksel najdetalnishij znimok Reyi na chas otrimannya Primitki Redaguvati http cfa www harvard edu iau NatSats NaturalSatellites html Pericentr q displaystyle q nbsp i apocentr Q displaystyle Q nbsp obchisleni za formulami q a 1 e displaystyle q a cdot 1 e nbsp Q a 1 e displaystyle Q a cdot 1 e nbsp de a displaystyle a nbsp dovzhina velikoyi pivosi orbiti e displaystyle e nbsp ekscentrisitet orbiti znachennya okrugleni do kilometriv a b v g d e Thomas P C 2010 Sizes shapes and derived properties of the saturnian satellites after the Cassini nominal mission Icarus 208 1 395 401 Bibcode 2010Icar 208 395T doi 10 1016 j icarus 2010 01 025 Arhiv originalu za 27 veresnya 2011 Procitovano 22 bereznya 2017 Jacobson R A Antreasian P G Bordi J J Criddle K E et al 2006 The Gravity Field of the Saturnian System from Satellite Observations and Spacecraft Tracking Data The Astronomical Journal 132 2520 2526 Bibcode 2006AJ 132 2520J doi 10 1086 508812 Verbiscer A French R Showalter M Helfenstein P 2007 Enceladus Cosmic Graffiti Artist Caught in the Act Science 315 5813 815 supporting online material table S1 Bibcode 2007Sci 315 815V PMID 17289992 doi 10 1126 science 1134681 a b v Howett C J A Spencer J R Pearl J Segura M 2010 Thermal inertia and bolometric Bond albedo values for Mimas Enceladus Tethys Dione Rhea and Iapetus as derived from Cassini CIRS measurements Icarus 206 2 573 593 Bibcode 2010Icar 206 573H doi 10 1016 j icarus 2009 07 016 Lassell W 1848 Satellites of Saturn Monthly Notices of the Royal Astronomical Society 8 42 43 Bibcode 1848MNRAS 8 42L doi 10 1093 mnras 8 3 42 Rozrahovano za masoyu ta radiusom Reyi zgidno z formuloyu g G M r 2 displaystyle g G frac M r 2 nbsp a b v Buratti B J Thomas P C Chapter 34 Planetary Satellites Encyclopedia of the Solar System T Spohn D Breuer T Johnson 3 ed Elsevier 2014 P 771 772 ISBN 9780124160347 DOI 10 1016 B978 0 12 415845 0 00034 7 angl Categories for Naming Features on Planets and Satellites Gazetteer of Planetary Nomenclature International Astronomical Union IAU Working Group for Planetary System Nomenclature WGPSN Arhiv originalu za 25 serpnya 2020 Procitovano 21 bereznya 2017 angl Burba G A Nomenklatura detalej relefa sputnikov Saturna Otv red K P Florenskij i Yu I Efremov Moskva Nauka 1986 S 60 67 ros Target Rhea Gazetteer of Planetary Nomenclature International Astronomical Union IAU Working Group for Planetary System Nomenclature WGPSN Arhiv originalu za 21 bereznya 2017 Procitovano 21 bereznya 2017 angl Rhea s Rings angl NASA Arhiv originalu za 12 chervnya 2016 Procitovano 22 bereznya 2012 angl G H Jones E Roussos N Krupp U Beckmann A J Coates F Crary I Dandouras V Dikarev etc The Dust Halo of Saturn s Largest Icy Moon Rhea Science 7 March 2008 Bibcode 2008Sci 319 1380J DOI 10 1126 science 1151524 angl Thin Air Cassini Finds Ethereal Atmosphere at Rhea NASA 26 11 2010 Arhiv originalu za 05 08 2012 Procitovano 22 03 2017 Posilannya RedaguvatiKarta Reyi z chinnimi nazvami detalej poverhni angl nbsp Ce nezavershena stattya z astronomiyi Vi mozhete dopomogti proyektu vipravivshi abo dopisavshi yiyi Otrimano z https uk wikipedia org w index php title Reya suputnik amp oldid 39903737