Relativity and Space-time

  • Gravitational waves are emitted by accelerating masses.
  • Electromagnetic waves are produced when charges are accelerated by electric or magnetic fields. Gravitational waves are produced when masses are accelerated by gravitational fields.
  • In 1919, Sir Arthur Eddington observed the gravitational bending of starlight during a solar eclipse
  • The advance of the perihelion of Mercury.
  • Spacetime is warped around the Sun
  • equivalence principle
  • Quasars can be gravitationally lensed by foreground galaxies to produce multiple images.
  • A day-in-your-life space-time diagram
  • Time dilation
  • Light cone

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