History of radar for various purposes; on the Shuttle Radar Topography Mission, the entire planet was mapped at a 30-m resolution. The Jodrell Bank Observatory, an operation of the University of Manchester in Britain, was originally started by Bernard Lovell to be a radar astronomy facility. It initially used a war-surplus GL-II radar system operating at 71 MHz (4.2 m). The first observations were of ionized trails in the Geminids meteor shower during December 1945. While the facility soon evolved to become the third largest radio observatory in the world, some radar astronomy continued. The largest (250-ft or 76-m in diameter) of their
December Massacres of 1950 in the Korean War generally declined following the December Massacres but the Rhee regime further cemented its heavy-handed image. The massacres made easy political propaganda for communist forces and were used to denounce the regime in the South for years to come. December Massacres of 1950 in the Korean War The December Massacres were a series of politically motivated executions carried out by the South Korean government following the recapture of Pyongyang by communist forces in the Korean War. The killings took place mainly in and around Seoul but also in other locations in South Korea. It is believed the South Korean government executed