The northern celestial hemisphere, also called the Northern Sky, is the northern half of the celestial sphere; that is, it lies north of the celestial equator.This arbitrary sphere appears to rotate westward around a polar axis due to Earth's rotation.. At any given time, the entire Northern Sky is visible from the geographic North Pole, while less of the hemisphere is visible the further ...

The Northern Renaissance was the Renaissance that occurred in Europe north of the Alps.From the last years of the 15th century, its Renaissance spread around Europe. Called the Northern Renaissance because it occurred north of the Italian Renaissance, this period became the German, French, English, Low Countries, Polish Renaissances and in turn other national and …