Meteor shower particles that are quickly blown away by solar radiation pressure). Recently, Peter Jenniskens has argued that most of our short-period meteor showers are not from the normal water vapor drag of active comets, but the product of infrequent disintegrations, when large chunks break off a mostly dormant comet. Examples are the Quadrantids and Geminids, which originated from a breakup of asteroid-looking objects, 2003 EH1 and 3200 Phaethon, respectively, about 500 and 1000 years ago. The fragments tend to fall apart quickly into dust, sand, and pebbles, and spread out along the orbit of the comet to form a dense meteoroid
December 7th: The Movie for Documentary Short Subject. December 7th: The Movie December 7th: The Movie is a 1943 propaganda film produced by the US Navy and directed by John Ford and Gregg Toland, about the December 7, 1941 attack on Pearl Harbor, the event which sparked the Pacific War and American involvement in World War II. The film begins with a chronological breakdown of the events of December 7, starting with the town of Honolulu gradually waking up and coming to life in the morning. A young private is credited with intercepting some vital information which his superiors dismiss; other sailors play baseball