noctilucent clouds

noctilucent clouds
серебристые облака (на высоте 70—90 км)

English-russian astronautics dictionary. - M.: Military Publishing house. . 1964.

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  • noctilucent clouds — Clouds of unknown composition that occur at great heights, 45 to 55 miles (70–90 km). They resemble thin cirrus clouds but usually with a bluish or silverish color, although sometimes orange to red, standing out against a dark night sky. Also… …   Aviation dictionary

  • Noctilucent cloud — Polar mesospheric cloud Noctilucent clouds over Kuresoo bog, Viljandimaa, Estonia Abbreviation NLC/PMC Altitude …   Wikipedia

  • noctilucent — [näk΄tə lo͞o′sənt] adj. [ NOCTI + LUCENT] shining in the night: said esp. of high altitude clouds (75 to 90 km or 46 to 56 mi above the earth) that reflect twilight to the earth long after sunset or long before sunrise …   English World dictionary

  • noctilucent — noctilucence, n. /nok teuh looh seuhnt/, adj. Meteorol. (of high altitude clouds) visible during the short night of the summer. [1885 90; NOCTI + LUCENT] * * * …   Universalium

  • noctilucent — adjective Shining or glowing at night, especially of very high altitude clouds that reflect sunlight long after sunset …   Wiktionary

  • noctilucent — noc•ti•lu•cent [[t]ˌnɒk təˈlu sənt[/t]] adj. mer (of high altitude clouds) visible during the short night of the summer • Etymology: 1885–90; < Lnocti =noct , s. of nox night + i +lucent noc ti•lu′cence, n …   From formal English to slang

  • noctilucent — /nɒktəˈlusənt/ (say noktuh loohsuhnt) adjective 1. shining at night; phosphorescent. 2. Meteorology (of clouds) very high and cirrus like, visible during the short night of summer and believed to be of meteor dust shining with reflected sunlight …  

  • NLC — • Noctilucent Clouds nachtleuchtende Wolken, (synonym zu) Nordlicht Meteorologie / Astronomie • Lemoore Reeves NAS, CA, USA internationale Flughafen Kennung …   Acronyms

  • Cloud — For other uses, see Cloud (disambiguation). Cumulus cloudscape over Swifts Creek, Australia A cloud …   Wikipedia

  • Charged Aerosol Release Experiment — The Charged Aerosol Release Experiment also known as CARE, is a project run by NASA which will use a rocket to release of dust in the upper atmosphere to form a dusty plasma in space.[1] NASA plans to trigger cloud formation around the rocket s… …   Wikipedia

  • Polar stratospheric cloud — Antarctic stratospheric cloud (nacreous clouds) Abbreviation PSC Altitude 15,000–25,000 m (50,000–80,000 ft) …   Wikipedia

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