(Encyclopedia) inertiainertiaĭnûrˈshə [key], in physics, the resistance of a body to any alteration in its state of motion, i.e., the resistance of a body at rest to being set in motion or of a body…
Related Links: SpaceAstronomyEncyclopedia: Space ExplorationU.S. Unmanned Planetary & Lunar ProgramsNASA Home PageProject Galileo Home PageCassini Mission Home PageStudents for the…
(Encyclopedia) Bellarmine, Saint RobertBellarmine, Saint Robertbĕlärˈmĭn [key], 1542–1621, Italian theologian, cardinal, Doctor of the Church, and a principal influence in the Counter Reformation.…
(Encyclopedia) Hobbes, ThomasHobbes, Thomashŏbz [key], 1588–1679, English philosopher, grad. Magdalen College, Oxford, 1608. For many years a tutor in the Cavendish family, Hobbes took great interest…
(Encyclopedia) PisaPisapēˈsä [key], city (1991 pop. 98,928), capital of Pisa prov., Tuscany, N central Italy, on the Arno River. It is now c.6 mi (9.7 km) from the Tyrrhenian Sea, which once reached…
Io, 2,262 mi (3,640 km) in diameter, is the most spectacular of the Galilean moons. Its brilliant colors of red, orange, and yellow set it apart from any other moon or planet. Active volcanoes have…
(Encyclopedia) Panofsky, ErwinPanofsky, Erwinpănŏfˈskē [key], 1892–1968, American art historian, b. Germany, Ph.D. Univ. of Freiburg, 1914. After teaching (1921–33) at the Univ. of Hamburg and…
(Encyclopedia) Kepler, JohannesKepler, Johannesyōhäˈnəs kĕpˈlər [key], 1571–1630, German astronomer. From his student days at the Univ. of Tübingen, he was influenced by the Copernican teachings.…
(Encyclopedia) Bentley, Eric (Eric Russell Bentley), 1916–2020, American critic, editor, and translator, b. Bolton, England, grad. Oxford, 1938, Ph.D. Yale, 1941. He became a U.S. citizen in 1948. A…
Jovian MoonsThe Magnetosphere of Jupiter Jupiter is the largest planet in the solar system—a gaseous world as large as 1,300 Earths. Its equatorial diameter is 88,736 mi (142,800 km), while…
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