Orrery on display in Kassel at the Astronomisch-Physikalisches Kabinett and in Dresden at the Mathematisch-Physikalischer Salon. In "De revolutionibus orbium coelestium", published in Nuremberg in 1543, Nicolaus Copernicus challenged the Western teaching of a geocentric universe in which the Sun revolved daily around the Earth. He observed that some Greek philosophers had proposed a heliocentric universe. This simplified the apparent epicyclic motions of the planets, making it feasible to represent the planets' paths as simple circles. This could be modelled by the use of gears. Tycho Brahe's improved instruments made precise observations of the skies (1576–1601), and from these Johannes Kepler
Entertainment in the 16th century stocks. Another popular public event with spectators, was the witch trial by use of water trial.(Lambert, 2007). Entertainment in the 16th century British Entertainment in the 16th century included art, fencing, painting, the stocks and even executions. While the 16th century and early 17th century squarely fall into the Renaissance period in Europe, that period was not only one of scientific and cultural advance, but also involved the development of changing forms of entertainment – both for the masses and for the elite. Despite the great breadth of advancements in the arts during this time, the economic conditions of this