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The Sky at Night · S18 E10

The Changing Force of Gravity

1974-10-30

Has gravity always been the same? There have been suggestions that the force of gravity today is weaker than it used to be. Patrick Moore and Colin Ronan discuss this fascinating theory and try to decide whether we are all getting lighter.

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Season 18 Episodes

  • E1Positional Astronomy
  • E2Saturn - The Ringed Planet
  • E3The Milky Way
  • E4Life in the Universe
  • E5The Daylight Star
  • E6The Heart of the Scorpion
  • E7Shooting Stars
  • E8Choosing a Telescope
  • E9Lord Rosse's Great Telescope
  • E10The Changing Force of Gravity
  • E11Eros - Wanderer in Space
  • E12The Year of the Planets