date:Apr 02, 2013
9:47 a.m., Pluto would pass behind Jupiter, causing a gravitational alignment that would temporarily reduce Earths gravity. He told his listeners to jump at exactly that time to experience a strange floating sensation which did not happen.
9. In 1957, some decades before the planetary alignment prank, BBC pulled another April Fools joke by reporting about spaghetti crops. Millions were duped by the report, with many of them asking how they can grow their own spaghetti trees.