单词 | electron telescope |
释义 | > as lemmaselectron telescope electron telescope n. Astronomy a telescope that detects incident electrons or electrons generated by incident light.Early kinds used the principle of a photoelectric detector; later ones that of a scintillation counter. ΚΠ 1937 Technol. Trends & National Policy (U.S. National Resources Comm.: Subcomm. on Technol.) i. iii. 29 Particularly promising and perhaps some day needing legislative enforcement, are the uses of infrared light, with the electron telescope, for sighting through fog the sun, the signal lights and hot funnels of an approaching ship. 1948 Jrnl. Brit. Interplanetary Soc. Nov. 250 The ‘electron telescope’ has been used to make visible stars which could not otherwise be detected. 2007 Planetary & Space Sci. 55 2/1 The Kiel Electron Telescope (KET) is designed to measure electron intensities for energies above 2.5 MeV. < as lemmas |
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