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
Aftermath of the Bahraini uprising (July–December 2011) Muharraq, leading to the arrests of some men. Hundreds of Shiites took part in the procession ahead of the religious festival of Ashoora in Muharraq in northern Bahrain.<ref name="9/12">Clashes erupt in Bahrain between security forces and procession participants -"xinhuanet.com"</ref> Bahraini security forces attack the headquarters of al-Wefaq and use tear gas on protesters in Manama. Clerics also insist that the government is targeting protesters because they are attempting to divide the protest movement, which is made up of both Sunnis and Shias. On 30 December, amateur video was posted to YouTube that appeared to show individuals throwing Molotov cocktails at