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ASTROPHYSICS AND COSMOLOGY - CERN

ASTROPHYSICSANDCOSMOLOGYJ. Garc a-BellidoTheoreticalPhysicsGroup,Blacket tLaboratory, ImperialCollegeofScience,TechnologyandMe dicine,PrinceConsortRoad,LondonSW72BZ, therecentdevelopmentsin willdescribethestandardBigBangtheoryofth eevolutionoftheuniverse,withitssuccesses andshortcomings,whichwillleadto willpresenta reviewoftheveryrichphenomenologythatweha veincosmologytoday, aswellasevidencefortheobservationalrevol utionthatthisfieldis goingthrough,whichwillprovideus,inthenex tfewyears, (fromtheGreek:kosmos, universe,world,order, andlogos, word,theory)is probablythemostancientbodyofknowledge, ,untilrecently, wecouldonlyanswerto ,thanksto(whatelse?)rawdata,comingfrompr ecisemeasurementsofa ,weareenteringa precisioneraincosmology, andsoonmostofourobservableswillbemeasure dwitha fewpercentaccuracy.

microwave background by Penzias and Wilson that this important assumption was finallyput onto firm experimental ground. So, what is the most general metric satisfying homogeneity and isotropy at large scales? The Friedmann-Robertson-Walker (FRW) metric, written here in terms of the invariant geodesic distance, -/. ,10 in four dimensions, 2 3 3

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