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
A Warm December A Warm December A Warm December is a 1973 American romantic drama film directed by Sidney Poitier and starring him in the lead role as Dr. Matt Younger. It also starred Jamaican actress Esther Anderson as Catherine, Matt's love interest. Anderson's role of an African princess won her a NAACP Image Award for Best Actress in 1973. It is also notable for an appearance of Letta Mbulu's singing "Nonqonqo" with an African choir, written by Miriam Makeba. Coleridge-Taylor Perkinson wrote and conducted the score. The story was influenced by "Roman Holiday" and "Love Story". Dr. Matt Younger (Poitier) is a