The British media have a unique affinity for pulling April Fools' pranks, matched only by the British public's unique ability to fall for them. On April 1, 1976, BBC Radio 2 astronomer Sir Patrick Moore gave listeners some bunk about how, at 9:47 a.m., Pluto and Jupiter would align in such a way as to temporarily reduce Earth's gravity. Moore told listeners to jump at exactly that time to experience the once-in-a-lifetime effect. At 9:48, callers flooded the lines, eager to describe how they had briefly floated. News that Moore had played them no doubt brought everyone crashing back to earth.