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ID:34109210
大小:302.50 KB
页数:15页
时间:2019-03-03
《asteroid rotation periods小行星自转周期》由会员上传分享,免费在线阅读,更多相关内容在应用文档-天天文库。
1、AsteroidRotationPeriodsCLASS:Technology,AstronomyandPhysicsGRADE:SeniorHighSchool1.Educationaloutcome:·Tolearnhowtostudythepropertiesofacosmicphysicalphenomenonbymakinguseofthepreviouslyacquiredknowledge.Tolearn,byapplyingtheirknowledgeofgeometricalopticsandusin
2、gsimplemathematics,howtoestimatetheAsteroidrotation.2.Purpose:Thestudentsshould:·beabletounderstandtheoriginoftheconstantrotationofanasteroidalongitsaxis·beabletounderstandtheoriginoftheasteroidmotionaroundthesun(Newton'suniversalattractionlaw)·beabletorecognize
3、aperiodicitywithinasetofdata·beabletocompareandcontractthedifferencesbetweenorbitalrotationandselfrotation·beabletomakeastronomicalimagingobservationsandextractPhotometricdatafromtheirCCDframes·beabletolearnhowtocompleteandapplythemethodoffindingtheperiodbyplott
4、ingtheasteroidlightcurve·beabletounderstandthescientificmethodology3.Educationalapproach:Thestudentsusetheexperimentalmethod(observation-collectionofexperimentaldataandtheiranalysis)torecordandanalyzedatainordertostudyacosmicphysicalphenomenonandestimateitsparam
5、eters.Thephenomenonunderstudyisthepresenceofasteroidrotation.Thelessoninvolvestheobservationofselectedasteroids,withtheAndreasMichalitsianosrobotictelescopeoftheEudoxoscenterforeducationandresearch,andtheestimationoftherotationperiods.4.Equipmenttools:•AndreasMi
6、chalitsianosTelescope(TAM)•Apersonalcomputerwithinternetconnection•Asheetofpaper,apencil•Aruler5.Shortdescription:Thestudentsorganizeandperformanexperimentwiththepurposetodetermine(estimate)theasteroidrotationperiods.Therealizationoftheexperimentisaccomplishedby
7、observingthemoonwiththeAMtelescopeandcollectingimagesofasteroidsforfurtheranalysis.Thecontrolofthetelescopeisdoneviaacomputerinterface,whichcontainsspecialsoftwaretodeterminetheparametersofanastronomicalobservationandallowsthestudenttorequestthespecificobservati
8、onfromtheEudoxossite.Italsohelpswiththeacquisitionandtheanalysisoftheimages.TheinterfaceisaccessibleviatheinternetasislocatedintheEudoxoswebsite:http://www.ellinogerm
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