- sunspot penumbra
- полутень солнечного пятна
English-russian astronautics dictionary. - M.: Military Publishing house. Compiled by F. P. Suprun, K. V. Shirokov. 1964.
sunspot penumbra
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penumbra — [pi num′brə] n. pl. penumbrae [pi num′brē΄] or penumbras [ModL < paene, almost (see PASSION) + umbra, shade] 1. the partly lighted area surrounding the complete shadow (umbra) of a body, as the moon, during an eclipse: see ECLIPSE 2. the less… … English World dictionary
Penumbra (disambiguation) — The penumbra is the part of a shadow where the light source is only partially blocked.Penumbra may also refer to:* Penumbra (medicine), surviving tissue at the margin of an ischemic event (such as a stroke) which is in danger of hypoxia and… … Wikipedia
penumbra — penumbral, penumbrous, adj. /pi num breuh/, n., pl. penumbrae / bree/, penumbras. 1. Astron. a. the partial or imperfect shadow outside the complete shadow of an opaque body, as a planet, where the light from the source of illumination is only… … Universalium
sunspot — sunspotted, adj. sunspottedness, n. /sun spot /, n. one of the relatively dark patches that appear periodically on the surface of the sun and affect terrestrial magnetism and certain other terrestrial phenomena. [1805 15; SUN + SPOT] * * * Cooler … Universalium
penumbra — noun (plural penumbrae or bras) Etymology: New Latin, from Latin paene almost + umbra shadow more at umbrage Date: 1666 1. a. a space of partial illumination (as in an eclipse) between the perfect shadow on all sides and the full light b. a… … New Collegiate Dictionary
penumbra — noun a) A partially shaded area around the edges of a shadow, especially an eclipse. The foregoing [United States Supreme Court] cases suggest that specific guarantees in the Bill of Rights have penumbras, formed by emanations from those… … Wiktionary
penumbra — [pɪ nʌmbrə] noun (plural penumbrae bri: or penumbras) 1》 the partially shaded outer region of the shadow cast by an opaque object, especially the area of the earth or moon experiencing a partial eclipse. 2》 Astronomy the less dark outer part of a … English new terms dictionary
penumbra — pe•num•bra [[t]pɪˈnʌm brə[/t]] n. pl. brae( brē), bras. 1) astron. a) the partial or imperfect shadow outside the complete shadow of an opaque body, as a planet, where the light from the source of illumination is only partly cut off b) the… … From formal English to slang
penumbra — /pəˈnʌmbrə / (say puh numbruh) noun (plural penumbrae /pəˈnʌmbri/ (say puh numbree) or penumbras) 1. the partial or imperfect shadow outside the complete shadow (umbra) of an opaque body, as a planet, where the light from the source of… …
penumbra — n. (pl. penumbrae or penumbras) 1 a the partly shaded region around the shadow of an opaque body, esp. that around the total shadow of the moon or earth in an eclipse. b the less dark outer part of a sunspot. 2 a partial shadow. Derivatives:… … Useful english dictionary
sun — sunlike, adj. /sun/, n., v., sunned, sunning. n. 1. (often cap.) the star that is the central body of the solar system, around which the planets revolve and from which they receive light and heat: its mean distance from the earth is about 93… … Universalium
