life-as-an-astronomer-作为天文学家的生活.ppt

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1、LifeasanAstronomer:1.WhatdoAstronomersStudy?PlanetsSolarSystemStars“StarStuff”(InterstellarMedium)GalaxiesAGN/QuasarsClustersUniverse1LifeasanAstronomer:1.WhatdoAstronomersStudy?SolarSystemSunSolarWindPlanetsMoonsAsteroids/NEOsKuiperbeltobjectsInterplanetarydustetc….2LifeasanAstronomer:1.Wha

2、tdoAstronomersStudy?StarsVariablestarsBinarysystemsDwarfs,Giants,etcSupernovae,CompactObjects(blackholes,whitedwarfs,neutronstars)3LifeasanAstronomer:1.WhatdoAstronomersStudy?“StarStuff”(InterstellarMedium)Starformation&ProtostarsChemistryStructure,Phase,andevolution4LifeasanAstronomer:1.Wha

3、tdoAstronomersStudy?GalaxiesFormation&EvolutionStructurePopulationsDynamicsEnvironment(voids,field,groups,clusters)5LifeasanAstronomer:1.WhatdoAstronomersStudy?AGN(ActiveGalacticNuclei)&QuasarsFormationClassificationFuelingEvolutionNumberDensity6LifeasanAstronomer:1.WhatdoAstronomersStudy?Cl

4、ustersFormation&EvolutionStructureDarkMatterContentLensing7LifeasanAstronomer:1.WhatdoAstronomersStudy?TheUniverseAgeandSizeFormation&EvolutionContent(darkmatter,cosmicstrings,exoticparticles)Topology(shape)8LifeasanAstronomer:2.HowdoweWork?Observationsgroundbased(optical,nearinfrared,radio)

5、Spacebased(rockets&spaceplatforms;UV,x-ray)ComputersanalyzedatasolvecomplexproblemsnumericalsimulationsAnalysisobjectivityread&assimilatemanyformsofdatalinear&non-linearthinkingWritingresearchpapersproposalspresentations9LifeasanAstronomer:3.WheredoweWork?AcademiaResearchUniversityTeachingUn

6、iversity/CollegeResearchFacilitiesGovernmentLabsNationalObservatoriesOtherplanetariums,telescopesupport,etc.PrivateSector10LifeasanAstronomer:4.Howdowespendourtime?(part1of2)Academia:TeachingUniversity/Collegeteach3-4classes/yradvisestudentsrunobservatorylabssupportpublicoutreachlessemphasis

7、onresearchAcademia:ResearchUniversitybringingrantmoneypublishresearchpaperssupportobservingfacilities/instruments/programssupervisethesisprojectsteach1-2classes/yrserveoncommittees11LifeasanAstronomer:4.Howdowespendourtime?(part2of2)GovernmentLabor