June 24

1633: The Inquisition released Galileo Galilei after having ruled him guilty of heresy two days earlier. 1880: Jules Lissajous, the French mathematician after whom Lissajous figures are named, was died. 1881: Sir William Huggins made the first photographic spectrum of a comet. 1915: Sir Fred Hoyle, the astronomer who coined the term "Big Bang," was born. 1930: The first radar detection of aircraft took place at Anacostia Air Station, D.C. 1963: The first demonstration of a home video recorder was made at the BBC News Studios using the Telcan. 1964: The Federal Trade Commission announced that starting in 1965, cigarette manufactures will be required to include warnings on their packaging about the harmful effects of smoking. 1968: This was the deadline for redeeming silver certificate dollars for silver bullion. 1969: Willy Ley, founder of the German Rocket Society, died. 1975: A moon tremor, caused by a strike of Taurid meteors, was detected by the seismometer network left on the Moon's surface by Apollo astronauts. 1997: The U.S. Air Force released a report on the "Roswell Incident," suggesting the alien bodies witnesses reported seeing in 1947 were actually life-sized dummies.