The Changing Force of Gravity The Sky at Night : Season 18 Episode 11
BBC Four 20m
Aired: October 30th, 1974 @ 10:00 PM EST on BBC Four
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.
