| 单词 | comet seeker |
| 释义 | > as lemmascomet seeker comet seeker n. now chiefly historical a telescope of comparatively low power and large field of view, used in searching for comets. ΘΚΠ the world > the universe > cosmology > science of observation > astronomical instruments > observational instruments > [noun] > telescope sector1711 astronomical telescope1723 sweeper1786 comet seeker1819 photo-telescope1893 Schmidt–Cassegrain1943 space telescope1953 photopolarimeter1971 1819 London Lit. Gaz. 24 July 474/1 A similar but smaller telescope is near at hand, and also an instrument which he [sc. Herschel] calls the Comet-seeker. 1924 G. E. Hale Depths of Universe ii. 46 He [sc. E. E. Barnard] speaks especially of a remarkable dark spot..which appeared in his 5-inch comet-seeker as one of the most impressive objects in the Milky Way. 2000 J. R. Greene Hill 6/2 [The observatory] housed an eight-inch Alvin Clark telescope, a three-inch reversible transit, a comet seeker, a chronograph, and a chronometer. < as lemmas |
| 随便看 |
|
英语词典包含1132095条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。