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Brahic, André Fernand

(Encyclopedia)Brahic, André Fernand, 1942–2016, French astrophysicist, b. Paris. He was introduced to astrophysics by Evry Schatzman, a leading French theoretician, and obtained his doctorate from the Univ. of P...

Kievan Rus

(Encyclopedia)CE5 Kievan Rus (c.1000) Kievan Rus kēˈĕfən [key], medieval state of the Eastern Slavs. It was the earliest predecessor of modern Ukraine and Russia. Flourishing from the 10th to the 13th cent....

ring, in astronomy

(Encyclopedia)ring, in astronomy, relatively thin band of rocks and dust and ice particles that orbit around a planet in the planet's equatorial plane. All four of the giant planets in the solar system—Jupiter, S...

Kiev

(Encyclopedia)Kiev or Kyiv kēˈĕf, –ĕv [key], Ukrainian Kyyiv, Rus. Kiyev, city (1990 est. pop. 2,600,000) and municipality with the status of a region (oblast), capital of Ukraine and of Kiev region, a port o...

Titan , in astronomy

(Encyclopedia)Titan tīˈtən [key], in astronomy, the largest of the named moons, or natural satellites, of Saturn. Also known as Saturn VI (or S6), Titan is 3,200 mi (5,150 km) in diameter, orbits Saturn at a mea...

Kirov Ballet

(Encyclopedia)Kirov Ballet, one of the two major ballet companies of Russia, the other being the Bolshoi Ballet. In 1991 it was officially renamed the St. Petersburg Mariinsky Ballet; however, on its frequent tours...

Vladimir I

(Encyclopedia)Vladimir I vŭlˌədyēˈmyĭr [key], or Saint Vladimir, d. 1015, first Christian grand duke of Kiev (c.980–1015); son of Sviatoslav. In 970, Vladimir was sent by his father to govern Novgorod. Afte...

Novgorod

(Encyclopedia)Novgorod nôvˈgərət [key], city (1989 pop. 229,000), capital of Novgorod region, NW European Russia, on the Volkhov River near the point where it leaves Lake Ilmen. Novgorod's industries produce ch...

Hyperion, in astronomy

(Encyclopedia)Hyperion hīpērˈēən [key], in astronomy, one of the named moons, or natural satellites, of Saturn. Also known as Saturn VII (or S7), Hyperion is the largest highly irregular (nonspherical) body in...

Saturn, in astronomy

(Encyclopedia)CE5 Saturn and its ring system as seen from Earth Saturn, in astronomy, 6th planet from the sun. Saturn has 82 confirmed natural satellites, many of which have not been named. Five of the discov...

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