A.U. astronomical unit это:

A.U. astronomical unit
A.U. astronomical unit noun астрономическая единица

Англо-русский словарь. — М.: Советская энциклопедия. . 1969.

Смотреть что такое "A.U. astronomical unit" в других словарях:

  • A.U. — angstrom unit. Also, a.u. * * * au «oh», French. to the; in the; with the. It is a contraction of à le, masculine form of à la, occurring in some phrases frequently used in English, as au courant, au revoir. Au (no period), gold (chemical… …   Useful english dictionary

  • Å.U. Å.u. — au «oh», French. to the; in the; with the. It is a contraction of à le, masculine form of à la, occurring in some phrases frequently used in English, as au courant, au revoir. Au (no period), gold (chemical element; Latin, aurum). A.U. or …   Useful english dictionary

  • 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 unit — astronom′ical u′nit n. astron. a unit of length, equal to the mean distance of the earth from the sun: approximately 93 million miles (150 million km) Abbr.: AU • Etymology: 1900–05 …   From formal English to slang

  • Astronomical distance — Astronomical distances are distances in outer space, occurring on a much larger scale than those on Earth. For instance, the distance to (Proxima Centauri), the closest star to our solar system, is about 40,000,000,000,000 kilometers.For this… …   Wikipedia

  • Unit of length — A unit of length is a way of measuring length or distance.Common units of length in the International System of Units (SI) are: * metre and its multiples, such as centimetre or kilometre Non SI units of length include: * fermi (fm) (= 1… …   Wikipedia

  • astronomical — 1550s, adj. from ASTRONOMY (Cf. astronomy) + ICAL (Cf. ical). Popular meaning immense, concerning very large figures (as sizes and distances in astronomy) is attested from 1899. Astronomical unit (abbrev. A.U.) mean distance from Earth to Sun,… …   Etymology dictionary

  • Astronomical constant — An astronomical constant is a physical constant used in astronomy. The astronomical constants include units of astronomical distance (the astronomical unit (A.U.), the light year (ly), and the parsec (pc)), units of time (the sidereal year, the… …   Wikipedia

  • astronomical observatory —       any structure containing telescopes and auxiliary instruments with which to observe celestial objects. Observatories can be classified on the basis of the part of the electromagnetic spectrum in which they are designed to observe. The… …   Universalium

  • Lockheed U-2 — U 2 A Lockheed TR 1 in flight Role High altitude reconnaissance Manufacturer …   Wikipedia

  • Conventional electrical unit — A conventional electrical unit (is also know as a electrical symbol) (or simply conventional unit where there is no risk of ambiguity) is a unit of measurement in the field of electricity which is based on the conventional values of the Josephson …   Wikipedia


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