Ireland, County Offaly, Birr Castle current home of the 7th Earl of Rosse, The Great Telescope.

Ireland, County Offaly, Birr Castle current home of the 7th Earl of Rosse, The Great Telescope.

Northern Ireland, Armagh, The Observatory.

Italy, Veneto, Venice,Astronomical clock face, Torre dell Orologio, Piazza San Marco.

Italy, Veneto, Venice,Astronomical clock face, Torre dell Orologio, Piazza San Marco.

Germany, Mecklenburg-Vorpommern, Rostock, Lower part of Astronomical clock, St Marys Church, Marienkirche.

Italy, Tuscany, Florence, Basilica di Santa Croce, Tomb of the astronomer Galileo Galilei.

Uzbekistan, Samarkand, Ulugh Beg Observatory Museum, also known as Ulugbek Observatory Museum.

Poland, Krakow, Collegium Maius University, Courtyard.

Poland, Warsaw, Statue of the astronomer Nicolaus Copernicus outside the Polish Academy of Sciences.

Italy, Sicily, Piazza Del Duomo, Messina Cathedral, Astronomical clock on clock tower.

Italy, Sicily, Piazza Del Duomo, Messina Cathedral, Astronomical clock on clock tower.