Naked eye one knows the exact position in which to look. Historically, the zenith of naked-eye astronomy was the work of Tycho Brahe (1546–1601). He built an extensive observatory to make precise measurements of the heavens without any instruments for magnification. In 1610, Galileo Galilei pointed a telescope towards the sky. He immediately discovered the moons of Jupiter and the phases of Venus, among other things. Meteor showers are better observed by naked eye than with binoculars. Such showers include the Perseids (10–12 August) and the December Geminids. Some 100 satellites per night, the International Space Station and the Milky Way are
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