A gradual change in the position of a star or other object on the celestial sphere that is the result of the object's intrinsic motion through space rather than mere apparent motion as observed from Earth.
Sicily is Italy's largest island and the largest island in the Mediterranean Sea. It's also a geographical and political region of Italy, famed for its beautiful beaches, cuisine, and fascinating history.icily is Italy's largest island and the largest island in the Mediterranean Sea. It's also a geographical and political region of Italy, famed for its beautiful beaches, cuisine, and fascinating history.
Ragusa [raËÉ¡uËza] listen (helpÂ·info) (Sicilian: Rausa; Latin: Ragusia) is a city and comune in southern Italy.It is the capital of the province of Ragusa, on the island of Sicily, with around 75,000 inhabitants.It is built on a wide limestone hill between two deep valleys, Cava San Leonardo and Cava Santa Domenica.he origins of Ragusa can be traced back to the 2nd millennium BC, when in its area there were several settlements of the ancient Sicels. The current Ragusa Ibla lies probably on one of them, identified as Hybla Heraea.