Born: 1901Birthplace: Windsor, Mo. Gyroscopic apparatus—Draper developed a spinning gyroscope, stabilizing U.S. Navy antiaircraft gun-sights which led to an inertial guidance system for launching…
(Encyclopedia) Leonov, Aleksei ArkhipovichLeonov, Aleksei Arkhipovichŭlˌyĭksyāˈ ärkhˌyĭpôˈvyĭch [key], 1934–2019, Soviet-Russian cosmonaut and military officer. While serving as copilot of Voskhod 2…
(Encyclopedia) RuwenzoriRuwenzorir&oomacr;ˌwənzōˈrē [key], mountain range, E central Africa, on the Uganda-Congo border, in the western arm of the Great Rift Valley between lakes Albert and…
(Encyclopedia) Raabe, WilhelmRaabe, Wilhelmvĭlˈhĕlm räˈbə [key], 1831–1910, German novelist, whose pseudonym was Jakob Corvinus. At 23 he began to write novels and tales of village life; the charming…
(Encyclopedia) Flammarion, CamilleFlammarion, Camillekämēˈyə flämäryôNˈ [key], 1842–1925, French astronomer and author. He served for some years at the Paris Observatory and the Bureau of Longitudes…
(Encyclopedia) syzygysyzygysĭzˈəjē [key], in astronomy, alignment of three bodies of the solar system along a straight or nearly straight line. A planet is in syzygy with the earth and sun when it is…
WHAT CAN FORCES DO? HOW CAN YOU MEASURE A FORCE? WHAT ARE BALANCED FORCES? GRAVITYFIND OUT MOREWhen you strike a ball with a bat, stretch a rubber band, or lift a suitcase, you are applying a force.…
ORBITING VENUSLANDING ON EROSDESTINATION SATURN AND TITANMARS EXPLORATIONFIND OUT MOREScientists launch interplanetary missions to study the planets, asteroids, and comets close up. Mariner 2…
director, actorBorn: 2/18/1932Birthplace: Káslov, Czechoslovakia Academy Award-winning film director known for his observant, often challenging, films, which include One Flew Over the Cuckoo's…
