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
Timeline of the Syrian Civil War (August–December 2015) Timeline of the Syrian Civil War (August–December 2015) The following is a timeline of the Syrian Civil War from August to December 2015. Information about aggregated casualty counts is found at Casualties of the Syrian Civil War. Rebels begin their push into the Alawite heartland by capturing much of the Sahl al-Ghab plain in northwestern Syria. According to the Syrian Observatory for Human Rights, four separate missiles were fired at Douma by SAAF fighters, which struck the main market in the town during rush hour, killing 96 people. At least 50 people - mainly women and children - are killed