The knot is a non-SI unit that is accepted for use with the SI. Worldwide, the knot is used in meteorology, and in maritime and air navigationâfor example, a vessel travelling at 1 knot along a meridian travels approximately one minute of geographic latitude in one hour.
Hagia Sophia (from the Greek: á¼Î³Î¯Î± ÏÎ¿ÏÎ¯Î±, Byzantine Greek [aËÊia soËfia]), Holy Wisdom; Latin: Sancta Sophia or Sancta Sapientia; Turkish: Ayasofya) was a Greek Orthodox Christian patriarchal basilica (church), later an imperial mosque, and now a museum (Ayasofya MÃ¼zesi) in Istanbul, Turkey.
St Sophia Cathedral, Novgorod (Where to Stay) Located in Novgorod, Russiaâs oldest city, Saint Sophia Cathedral is situated within the grounds of the cityâs Kremlin. Standing 125 feet high and adorned with five spectacular domes, the cathedral is the oldest church building in Russia.