radio-echo observation
11Radarbeobachtung — radarinis stebėjimas statusas T sritis fizika atitikmenys: angl. radar observation; radio echo observation vok. Radarbeobachtung, f rus. радиолокационное наблюдение, n pranc. observation par radar, f …
12radarinis stebėjimas — statusas T sritis fizika atitikmenys: angl. radar observation; radio echo observation vok. Radarbeobachtung, f rus. радиолокационное наблюдение, n pranc. observation par radar, f …
13радиолокационное наблюдение — radarinis stebėjimas statusas T sritis fizika atitikmenys: angl. radar observation; radio echo observation vok. Radarbeobachtung, f rus. радиолокационное наблюдение, n pranc. observation par radar, f …
14Mercury (planet) — Mercury  ☿ …
15Antarctica — /ant ahrk ti keuh, ahr ti /, n. the continent surrounding the South Pole: almost entirely covered by an ice sheet. ab. 5,000,000 sq. mi. (12,950,000 sq. km). Also called Antarctic Continent. * * * Antarctica Introduction Antarctica Background:… …
16History of radar — The history of radar starts with experiments by Heinrich Hertz in the late 19th century that showed that radio waves were reflected by metallic objects. This possibility was suggested in James Clerk Maxwell s seminal work on electromagnetism.… …
17Dome C — Dome C, also known as Dome Circe or Dome Charlie, located at Antarctica at an altitude of 3,233 m or 10,607 ft above sea level, is one of several summits or domes of the Antarctic Ice Sheet. Dome C is located on the Antarctic Plateau,… …
18Dome A — Elevation 4,091 m (13,422 ft) Prominence 1,639 m (5,377 ft) …
19Dome F — Japanese Antarctica bases Dome F, also known as Dome Fuji (ドーム富士 Dōmu Fuji), Valkyrie Dome, or Valkyrjedomen, is located in east Queen Maud Land at …
20RADIOASTRONOMIE — L’observation astronomique a été longtemps limitée à l’utilisation des ondes auxquelles l’œil humain est sensible, c’est à dire celles dont la longueur est comprise entre 0,4 et 0,8 猪m. Dans la seconde moitié du XXe siècle, son domaine s’est… …
