The Relativistic Universe

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Presentation transcript:

The Relativistic Universe

Newton’s Principia (1687) – Scholium Galilean Relativity All inertial observers are equivalent – no preferred frame of reference Newton’s Principia (1687) – Scholium Absolute and Relative Time Absolute and Relative Space Maxwell’s Electromagnetism (1861/62) Light is a wave, and waves propagate in a medium (luminiferous ether) Should be able to measure motion through the ether Ether models/properties Partially dragged (Fresnel/Lorentz) Fully dragged (Stokes/Hertz) Attempts to measure Michelson-Morley (1886/87)

L' = L/(1-v2/c2)½

Note: c2 = 9 x 1016 m2/s2