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Asteroid - Exploration, Spacecraft, Missions | Britannica

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 & CultureProConMoneyVideosasteroidIntroductionMajor milestones in asteroid researchEarly discoveriesLater advancesGeography of the asteroid beltNames and orbits of asteroidsDistribution and Kirkwood gapsNear-Earth asteroidsMain-belt asteroid familiesHungarias and outer-belt asteroidsTrojan asteroidsAsteroids in unusual orbitsAsteroids as individual worldsClassification of asteroidsPhysical characteristics of asteroidsRotation and shapeSize and albedoMass and densityCompositionSpacecraft explorationOrigin and evolution of the asteroidsReferences & Edit HistoryQuick Facts & Related TopicsImages & Videosasteroid summarySpace OdysseyBrightest Star in the Solar SystemAll About AstronomyScienceAstronomyasteroidFacebookXhttps://www.britannica.com/science/asteroidThe Nine Planets - Asteroid FactsOpenstax - Astronomy 2e - AsteroidsLunar and Planetary Institute - Asteroids: New Challenges, New TargetsNational Center for Biotechnology Information - PubMed Central - No exotic matter in asteroidsFrontiers - Frontiers in Astronomy and Space Sciences - Predicting Asteroid Types: Importance of Individual and Combined FeaturesUniversity of Central Florida Pressbooks - AsteroidsNASA - AsteroidsCUNY Pressbooks Network - Introduction to Planetary Geology - AsteroidsLiveScience - What are asteroids?Space.com - Asteroids: Fun facts and information about these space rocksK12 LibreTexts - Asteroidsasteroid - Children's Encyclopedia (Ages 8-11)asteroid - Student Encyclopedia (Ages 11 and up)Edward F. Tedesco Research Associate Professor, Space Science Center, University of New Hampshire, Durham.Britannica 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....HistoryGaspra, Deimos, and Phobos comparedGalileoS-class asteroidIdadimensionsasteroid Ida and its satellite, DactylmoonDactylGreek mythologytelescopeopticsEros asteroidNear Earth Asteroid RendezvousErosilluminatedDeep Space 1HayabusarendezvousedEuropean Space AgencyRosettaRosettaDawnVestaprotoplanetplanetrendezvousdwarf planetCeresHayabusa2RyuguMINERVAMobile Asteroid Surface ScoutceasingSee all videos for this articleOSIRIS-RExBennudebris blasted from DimorphosDouble Asteroid Redirection Testplanetary defensecollisionDimorphosPsyche spacecraftLucyPsycheevolutionDynamicalsolar systemplanetsJupiterSaturnUranusNeptuneprimordialaccretion diskSunplanetesimalsNeptuneresonancesolar radiationresonanceshomogeneousdifferentiatedcompositioninductionironCompositionM-class asteroidscollisionsThe Chicxulub asteroidmeteoritesMeteor CraterUnited StatescometdinosaursCretaceous PeriodTunguska eventEarth impact hazard: Frequency of impactsplanetary defenseEdward F. Tedesco

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