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
The December Group The December Group The December Group (, "Decembarska grupa") was a Serbian artistic group founded in Belgrade in 1955. It ceased to exist in 1960. Group members were: Zoran Petrović, Miloš Bajić, Aleksandar Luković, Lazar Vujaklija, Mladen Srbinović, Aleksandar Tomašević, Lazar Vozarević, Miodrag B. Protić, Stojan Ćelić and Dragutin Cigarčić. The group has held nine exhibitions, and there were two retrospective in Belgrade in 1969 at the Gallery of the Cultural Center and in 1995 at the Zepter Gallery. After the stabilization of the political and ideological situation in Yugoslavia after 1950. the conditions were created for opening new avenues