balloon astronomy axtaršenâsi bâ bâlon, bâlon-axtaršenâsi Fr.: astronomie en ballon A branch of modern astronomy in which balloons are used to carry telescopes and instruments to high altitudes (up to 50 km) for observation. Balloon, from Fr. ballon, from It. dialectal ballone, augmentative of balla, ball, from P.Gmc. *ball-, from PIE *bhel- "to blow, swell". → astronomy. Axtaršenâsi, → astronomy; bâlon, from Fr. ballon. |
balloon-borne telescope durbin-e bâlon-bord, teleskop-e ~ Fr.: télescope porté par ballon A remotely guided or automatic telescope carried to high altitudes by a balloon. → balloon astronomy; borne "a past participle of bear," from O.E. beran "bear, bring, wear," from P.Gmc. *beranan (O.H.G. beran, Goth. bairan "to carry"), from PIE root *bher-; "to carry;" compare with Av./O.Pers. bar- "to bear, carry," bareθre "to bear (infinitive)," bareθri "a female that bears (children), a mother," Mod.Pers. bordan "to carry," Skt. bharati "he carries," Gk. pherein, L. fero "to carry." → telescope. → balloon astronomy. Bord in bâlon-bord "borne, carried," from Mod.Pers. bordan "to bear, carry," as explained above. Durbin, → telescope. |
sounding balloon bâlon-e gamâne-zani Fr.: ballon-sonde A small, free balloon sent into the upper atmosphere to measure, record, and transmit meteorological reports to a ground station. |