Lecture 05: General Relativity - Physics & Astronomy - Northeastern ...
Lecture 05: General Relativity - Physics & Astronomy - Northeastern ...
Lecture 05: General Relativity - Physics & Astronomy - Northeastern ...
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<strong>Northeastern</strong>IllinoisUniversityThe Expanding UniverseSpecial<strong>Relativity</strong>The Doppler effect for light<strong>General</strong><strong>Relativity</strong>CosmologyThe ExpandingUniverseExpansion of theUniverseFriedmann-Robertson-WalkerCosmologyCosmologicalParametersSingleComponentUniversesNextvλ = λ 0√ √√√1 + v/c1 − v/c , ∆λλ 0≈ v c(v ≪ c)“The universe is expanding”’ Edwin Hubble (1929)v = HddThe Hubble parameter: H ≈ 70 km/s/Mpcc○2004, 2007 G. Anderson <strong>Physics</strong> III – slide 31 / 37
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