- astronomical standard
- Метрология: астрономический эталон (времени)
Универсальный англо-русский словарь. Академик.ру. 2011.
astronomical standard
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Astronomical survey — Astronomical surveys generally involve imaging or mapping of regions of the sky using Telescopes. In the past,surveys have been usually restricted to one band of wavelengths of electromagnetic radiation (e.g. light or radio) or to measurements of … Wikipedia
Astronomical Image Processing System — See also AIPS++, a package designed to be a successor to AIPS General AIPS is a package to support the reduction and analysis of data taken with radio telescopes. It is most useful for arrays of telescopes like the VLA and VLBA and the WSRT. In m … Wikipedia
Standard Candles — (1996, ISBN 0 9648320 4 6) is a compilation of short stories by American science fiction author Jack McDevitt. The sixteen stories in the anthology were originally published in various magazines from 1982 to 1996. The introduction is provided by… … Wikipedia
Astronomical naming conventions — In ancient times, only the Sun and Moon, a few hundred stars and the most easily visible planets had names. Over the last few hundred years, the number of identified astronomical objects has risen from hundreds to over a billion, and more are… … Wikipedia
Astronomical unit — This article is about unit of length. For the full system of units, see Astronomical system of units. 1 astronomical unit = SI units 149.60×10^6 km 149.60×10^9 m Astronomical units 4.8481 … Wikipedia
Astronomical seeing — Schematic diagram illustrating how optical wavefronts from a distant star may be perturbed by a layer of turbulent mixing in the atmosphere. The vertical scale of the wavefronts plotted is highly exaggerated. Astronomical seeing refers to the… … Wikipedia
astronomical map — Introduction any cartographic representation of the stars, galaxies, or surfaces of the planets and the Moon. Modern maps of this kind are based on a coordinate system analagous to geographic latitude and longitude. In most cases, modern… … Universalium
Standard candle — A standard candle is an astronomical object that has a known luminosity. Standard candles are the basis for several important methods of deriving distances in extragalactic astronomy and cosmology in the cosmic distance ladder.TheoryComparing its … Wikipedia
standard candle — noun the basic unit of luminous intensity adopted under the Systeme International d Unites; equal to 1/60 of the luminous intensity per square centimeter of a black body radiating at the temperature of 2,046 degrees Kelvin • Syn: ↑candle,… … Useful english dictionary
Astronomical clock — Clock Clock (kl[o^]k), n. [AS. clucge bell; akin to D. klok clock, bell, G. glocke, Dan. klokke, Sw. klocka, Icel. klukka bell, LL. clocca, cloca (whence F. cloche); al perh. of Celtic origin; cf. Ir. & Gael. clog bell, clock, W. cloch bell. Cf.… … The Collaborative International Dictionary of English
Astronomical time — Time Time, n.; pl. {Times}. [OE. time, AS. t[=i]ma, akin to t[=i]d time, and to Icel. t[=i]mi, Dan. time an hour, Sw. timme. [root]58. See {Tide}, n.] 1. Duration, considered independently of any system of measurement or any employment of terms… … The Collaborative International Dictionary of English
