WHAT ARE SPACE STATIONS USED FOR? HOW ARE SPACE STATIONS BUILT? INTERNATIONAL SPACE STATIONFIND OUT MOREIn a space station, a large crewed spacecraft orbiting Earth, astronauts can live and work in…
HAGEDORN, Thomas Michael, a Representative from Minnesota; born in Blue Earth, Faribault County, Minn., November 27, 1943; graduated from Blue Earth High School, 1961; served in United States…
Name at birth: John Glenn, Jr.John Glenn circled Earth on the Mercury 6 space mission in 1962, becoming the first American to make a complete orbit of the planet. John Glenn grew up in the small…
Name at birth: Leroy Gordon Cooper, Jr.Gordon Cooper was one of the original Mercury 7 astronauts, the first Americans chosen for space flight duty by the National Aeronautics and Space…
(Encyclopedia) RhadamanthusRhadamanthusrădˌəmănˈthəs [key], in Greek mythology, son of Zeus and Europa. Renowned for his justice on earth, the gods made him one of the judges of the dead.
(Encyclopedia) gravitation, the attractive force existing between any two particles of matter.
The term gravitygravity is commonly used synonymously with gravitation, but in correct usage a…
(Encyclopedia) mountain, high land mass projecting conspicuously above its surroundings and usually of limited width at its summit. Although isolated mountains are not unusual, mountains commonly…
(Encyclopedia) planetary system, a star and all the celestial bodies bound to it by gravity, especially planets and their natural satellites. Until the last decade of the 20th cent., the only…
(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) horizon, in astronomy, roughly circular line bounding an observer's view of the surface of the earth where the sky and earth seem to meet. This is the visible horizon. At sea the…
