Radiant (meteor shower) move along the comet's wake, and when the Earth moves through such debris, a meteor shower results. Because all of the debris is moving in roughly the same direction, the meteors which strike the atmosphere all "point" back to the direction of the comet's path. As an exception, the Geminids are a shower caused by the object 3200 Phaethon, which is thought to be a Palladian asteroid. The radiant is an important factor in observation. If the radiant point is at or below the horizon, then few if any meteors will be observed. This is because the atmosphere shields the
Timeline of the 2011–12 Saudi Arabian protests (May–December 2011) and thirty women among the Riyadh protestors were arrested. Most were released by 28 December. During protests in Qatif on 30 December calling for freedom and equality and for the release of political activists from prison, police snipers on rooftops fired guns at protestors. At least three protestors were injured. Similar protests were held in other towns and villages in the Qatif province. Timeline of the 2011–12 Saudi Arabian protests (May–December 2011) The following is a timeline of the 2011–2012 Saudi Arabian protests from May to December 2011. The 2011–2012 Saudi Arabian protests are a series of ongoing protests taking