SUBSCRIBESUBSCRIBESUBSCRIBEHomeHistory & SocietyScience & TechBiographiesAnimals & NatureGeography & TravelArts & CultureProConMoneyGames & QuizzesVideosOn This DayOne Good FactDictionaryNew ArticlesHistory & SocietyLifestyles & Social IssuesPhilosophy & ReligionPolitics, Law & GovernmentWorld HistoryScience & TechHealth & MedicineScienceTechnologyBiographiesBrowse BiographiesAnimals & NatureBirds, Reptiles & Other VertebratesEnvironmentFossils & Geologic TimeInsects & Other InvertebratesMammalsPlantsGeography & TravelGeography & TravelArts & CultureEntertainment & Pop CultureLiteratureSports & RecreationVisual ArtsImage GalleriesPodcastsSummariesTop QuestionsLists and StoriesBritannica KidsAsk the ChatbotGames & QuizzesHistory & SocietyScience & TechBiographiesAnimals & NatureGeography & TravelArts & CultureProConMoneyVideoseclipseIntroductionPhenomena observed during eclipsesLunar eclipse phenomenaSolar eclipse phenomenaThe geometry of eclipses, occultations, and transitsEclipses of the SunEclipses of the MoonEclipses, occultations, and transits of satellites and other objectsThe frequency of solar and lunar eclipsesCycles of eclipsesPrediction and calculation of solar and lunar eclipsesEclipse research activitiesSolar researchDiscovery of heliumSupport for the general theory of relativityTemperature of the coronaLunar researchTransits of Mercury and VenusOccultationsEclipsing binary starsEclipses in historyLiterary and historical referencesChineseAssyrianBabylonianJewishGreekRomanMedieval EuropeanMedieval IslamicUses of eclipses for chronological purposesUses of eclipses for astronomical purposesReferences & Edit HistoryRelated TopicsImages & Videoseclipse summaryAll About AstronomyScienceAstronomyFacebookXhttps://www.britannica.com/science/eclipseUniversities of Wisconsin Open Ed Network - Survey of Astronomy - Eclipses of the Sun and MoonNASA - EclipsesFlorida State College at Jacksonville Pressbooks - Introduction to Astronomy - EclipsesEuropean Space Agency - What is an eclipse?OpenStax - Astronomy 2e - Eclipses of the Sun and Mooneclipse - Children's Encyclopedia (Ages 8-11)eclipse - Student Encyclopedia (Ages 11 and up)Solar eclipseeclipsePhenomena observed during eclipsesF. Richard Stephenson
Emeritus Professor, Department of Physics, University of Durham, England. Author of Historical Eclipses and Earth's Rotation and others; coauthor of The Historical Supernovae and others.AllBritannica Editors
Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree....History1 of 4solar eclipse2 of 4See all videos for this article3 of 4See all videos for this article4 of 4illustration depicting the successive phases of a solar eclipseEarthdesignationSunpartial phasecrescentstotalityumbraBaily's beadsBailyâs beadsFrancis Bailyeclipseprominencechromospherecoronafull mooncrescentimminentrefraction1 of 2See all videos for this article2 of 2geometry of a total solar eclipsepenumbraSee all videos for this articletotalpartial1 of 2annular eclipse2 of 2comparison of the size of the sun at sunset, Joshua Tree National Monument (left), with the moonrise over Grand Canyon National Park, Arizona (right).ellipticalannulareclipsesmaximum phase
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