Carolyn C. Porco is an American planetary scientist. She is an expert on planetary rings and was the first to describe the causes of the eccentric ringlets and 'spokes' within the rings of Saturn that were discovered by the Voyager probe. Porco went on to administer Voyager's imaging of the rings of Uranus and Neptune. She is now the leader of the imaging team on the Cassini mission to Saturn. The word Usa has more than one meaning: U.S.A. - The United States of America The United States Army Usa, Oita - A city in Japan The USA cable network USA Today national daily newspaper The University of Southern Alabama goes by the initials U.S.A. The patriotic cheer... A planetary ring is a ring of dust and other small particles orbiting around a planet in a flat disc-shaped region. ... Saturns rings; the major rings are labelled This is a list of the named rings of Saturn, and the gaps between them. ... Voyager is also the name of a planned series of unmanned probes to Mars, cancelled in 1968. ... This is a list of the named planetary rings of Uranus. ... This is a list of the named rings and ring arcs of Neptune. ... This is an artists concept of Cassini during the Saturn Orbit Insertion (SOI) maneuver, just after the main engine has begun firing. ...
The asteroid 7231 Porco is named after her. An asteroid is a small, solid object in our Solar System, orbiting the Sun. ...
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