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) a follow-up protest for the deaths of al-Muhaishi and al-Filfil. On 16 December, about 100 people, mostly women, protested in Riyadh and Buraidah demanding that prisoners be released or tried. About 50 people were arrested in the two cities. Many were released by 23 December. On 23 December, a nationwide mosque sit-in protest again took place in cities including Riyadh and Jeddah, calling for the release of Dr. Yusuf al-Ahmad, imprisoned after having sent a Twitter message in support of prisoners' families. The protestors said that there are 30,000 political prisoners, mostly prisoners of conscience in Saudi Arabia. Thirty men