- ephemeris astronomy
- Макаров: эфемеридная астрономия
Универсальный англо-русский словарь. Академик.ру. 2011.
ephemeris astronomy
Смотреть что такое "ephemeris astronomy" в других словарях:
Ephemeris — An ephemeris (plural: ephemerides; from the Greek word ἐφήμερος ephemeros daily ) is a table of values that gives the positions of astronomical objects in the sky at a given time or times. Different kinds are used for astronomy and astrology.… … Wikipedia
ephemeris — /i fem euhr is/, n., pl. ephemerides /ef euh mer i deez /. 1. a table showing the positions of a heavenly body on a number of dates in a regular sequence. 2. an astronomical almanac containing such tables. 3. Archaic. an almanac or calendar.… … Universalium
ephemeris second — Astron. the unit of ephemeris time, defined as a precise fraction of the length of the tropical year 1900. [1965 70] * * * ephemeris second, Astronomy. the fundamental unit of ephemeris time, adopted in 1956 by the International Bureau of Weights … Useful english dictionary
Astronomy on Mars — Mosaic of two different Mars Global Surveyor Mars Orbiter Camera (MOC) exposures of Earth, the Moon, and Jupiter from 2003 … Wikipedia
ephemeris time — /əˈfɛmərəs taɪm/ (say uh femuhruhs tuym) noun Astronomy a measure of time independent of variations in the earth s rotation rate. The ephemeris second is the fundamental unit and is defined as a precise fraction of the tropical year 1900 …
ephemeris time — noun (astronomy) a measure of time defined by Earth s orbital motion; terrestrial time is mean solar time corrected for the irregularities of the Earth s motions • Syn: ↑terrestrial time, ↑TT, ↑terrestrial dynamical time, ↑TDT • Topics:… … Useful english dictionary
astronomy — I (New American Roget s College Thesaurus) n. cosmology, cosmogony. See universe. II (Roget s IV) n. Syn. stargazing, astrochemistry, astrophysics, earth space science, selenology, astrophotography, astrophotometry, uranology, uranography,… … English dictionary for students
ephemeris — [ɪ fɛm(ə)rɪs, fi:m ] noun (plural ephemerides ˌɛfɪ mɛrɪdi:z) Astronomy & Astrology a table of the calculated positions of a celestial object at regular intervals throughout a period. Origin C16: from L., from Gk ephēmeros lasting only a day … English new terms dictionary
Theoretical astronomy — Nucleosynthesis Stellar nucleosynthesis Big Bang nucleosynthesis Supernova nucleosynthesis Cosmic ray spallation … Wikipedia
Precession (astronomy) — In astronomy, precession refers to the movement of the rotational axis of a body, such as a planet, with respect to inertial space. In particular, it refers to the precession of the Earth s rotational axis, also called the precession of the… … Wikipedia
Epoch (astronomy) — In astronomy, an epoch is a moment in time used as a reference for the orbital elements of a celestial body. [cite book|last=Soop|first=E. M.|title=Handbook of Geostationary Orbits|publisher=Springer|date=1994|isbn=9780792330547] Typically, the… … Wikipedia
