Cassini giovanni domenico biography channel 7
The dispute was settled by Pope Alexander VII with advice from Cassini and for several years after this he was regularly consulted by the Papal Court as an expert on river management. Cassini observed and published surface markings on Mars earlier seen by Christiaan Huygens but not published , determined the rotation periods of Mars and Jupiter , and discovered four satellites of Saturn : Iapetus and Rhea in and , and Tethys and Dione To add just one more comment to the question of his name, he was the first of the famous Cassini family of astronomers and as such is often known as Cassini I.
November 29, His biography is available in 66 different languages on Wikipedia making him the NaNth most popular astronomer. However, Cassini preferred to keep his post as professor of mathematics and astronomy at Bologna where he taught when not undertaking Papal duties. After this, he studied at the abbey of San Fructuoso. As a child, he was fascinated with astrology, astronomy, and mathematics.
How did giovanni cassini die
Experimental Astronomy. Contents move to sidebar hide. However, Cassini was too traditional in his views to accept his own idea, and he soon rejected it and looked for other explanation for the discrepancy. Another measurement made by Jean Richer , namely that a pendulum with a period of one second is shorter in Cayenne than Paris, led him to explain this by suggesting that the Earth was flattened at the poles.
He writes, "At the Observatory, we saw the Moon in a twenty-two foot glass, and Jupiter, with his satellites, in the same. In Paris, Cassini devoted himself entirely to astronomy. He read widely on this topic and soon was very knowledgeable, yet was convinced that there was no truth in astrological predictions. Moving to France [ edit ].
Louis Hamon. Cassini discovered discrepancies in his data which at first he attributed to light having a finite speed Further reading [ edit ]. Read Edit View history.
What was giovanni domenico cassini famous for
Giovanni Domenico Cassini is the 16th most popular astronomer up from 17th in , the th most popular biography from Italy up from th in and the 3rd most popular Italian Astronomer. He worked on this as part of a study of the relative motions of the Earth and the sun and proposed this as the curve for planetary orbits rather than the ellipse as proposed by Kepler.
His observations were fundamental to astronomical Science. In addition, Cassini also created the first scientific map of the moon. In fact Giovanni was brought up, not by his parents but by an uncle, a brother of his mother Julia Crovesi. Upon his arrival, he joined the newly-founded Academie Royale des Sciences Royal Academy of Sciences , and became the first director of the Paris Observatory, which opened in Get the facts about Giovanni Cassini, who made several important discoveries early on about our solar system.
They made measurements of the meridian from Paris to Perpignan, which is 13 km west of the Mediterranean coast.