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
Once Upon a December away. The recurring melody serves as a narrative device in the film since Anya's memory of the lullaby, and the music box's necklace keys are her only ties to her forgotten past. The theme of memory is further enhanced by composer David Newman recurring use of the melody throughout the film's score, also incorporating variations of the song "Journey to the Past". The full version of "Once Upon a December" is sung by Anya after entering the now derelict Winter Palace in Saint Petersburg. The repressed memories of her past are stirred by her unknowing return to her childhood home,