(Encyclopedia)
CE5
Aircraft motions and control surfaces: Yaw, or motion to the left or right, is controlled by the rudder. Pitch, or climbing or dropping, is controlled by the elevators, which…
HOW DO SATELLITES STAY UP IN SPACE? SATELLITE ORBITSFIND OUT MOREA spacecraft that travels in a steady path, or orbit, around Earth is called a satellite. Satellites receive and send on…
Most people think……Christopher Columbus discovered America. In fact, the Vikings, led by Leif Ericson, were the first Europeans to land on the coast of North America in the year 1000. Christopher…
(Encyclopedia) Bologna, Giovanni, or GiambolognaGiambolognajōvänˈnē bōlōˈnyä, jämˌbōlōˈnyä [key], 1524–1608, Flemish sculptor, whose real name was Jean Bologne or Boulogne. Though born in Douai,…
by David Noland Boeing 707-120 Specs Length: 144 ft, 6 in. Wingspan: 130 ft, 10 in. Max weight: 248,000 lbs Cruise speed: 600 mph Range: 3,000 mi Passengers: 183 Related…
(Encyclopedia) Wilkins, Sir George Hubert, 1888–1958, British explorer, b. Australia. He made a number of trips to Antarctica and to the Arctic. Valuable experience gained when he accompanied…
(Encyclopedia) Hermes, in Greek religion and mythology, son of Zeus and Maia. His functions were many, but he was primarily the messenger of the gods, particularly of Zeus, and conductor of souls to…
(Encyclopedia) altimeteraltimeterăltĭmˈĭtər, ălˈtĭmēˌtər [key], device for measuring altitude. The most common type is an aneroid barometer calibrated to show the drop in atmospheric pressure in…
(Encyclopedia) Schirra, Wally, (Walter Marty Schirra, Jr.), 1923–2007, the only American astronaut to fly in all of NASA's first three manned spaceflight programs, b. Hackensack, N.J., grad. U.S.…
(Encyclopedia) BellerophonBellerophonbəlĕrˈəfŏn, –fən [key], in Greek mythology, son of Glaucus (3;) originally called Hipponoüs. He changed his name after he murdered a countryman and was forced to…
