Cellestial Flashcards
azimuth
azimuth [ˈæzɪməθ]
Noun: azimuth 1. The azimuth of a celestial body is the angle between the vertical plane containing it and the plane of the meridian astr., geod. Ä n azimutas Ä a azimutinis, azimuto
zenith
zenith [ˈzenɪθ]
Noun: zenith
1. The point above the observer that is directly opposite the nadir on the imaginary sphere against which celestial bodies appear to be projected
n astr. zenitas (ir prk.);
to be at the zenith of one’s fame būti šlovės zenite
longitude
longitude [ˈlɔndʒɪtju:d]
Noun: longitude
1. The angular distance between a point on any meridian and the prime meridian at Greenwich
n geogr. (rytų, vakarų) ilguma
tangent
tangent [ˈtændʒənt]
Noun: tangent
- A straight line or plane that touches a curve or curved surface at a point but does not intersect it at that point
- Ratio of the opposite to the adjacent side of a right-angled triangle
- A topic nearly unrelated to the main topic, but having a point in common with it
n 1 geom. liestinė 2 geom. tangentas 3 glžk. tiesus (kelio) ruožas, tiesė ² to fly/go off at a tangent nelauktai/netikėtai nukrypti (nuo temos ir pan.) Ä a geom. liestinis; liečiamasis
ecliptic
ecliptic [ɪˈklɪptɪk] Noun: ecliptic 1. The great circle representing the apparent annual path of the sun; the plane of the Earth's orbit around the sun; makes an angle of about 23 degrees with the equator astr. n ekliptika
a ekliptinis
precession
/pri-seshˈən/
1 the motion of a spinning body (as a top) in which it wobbles so that the axis of rotation sweeps out a cone
Precession is a change in the orientation of the rotational axis of a rotating body
type of… (motion)
2 the act of preceding in time or order or rank (as in a ceremony)
synonyms… (precedence, precedency); type of… (activity); see also… (precede)
equinox
equinox [ˈi:kwɪnɔks, ˌek-] n ekvinokcija, lygiadienis;
autumn(al) [spring/vernal] equinox rudens [pavasario] ekvinokcija/lygiadienis
diurnal
diurnal [daɪˈə:nl]
Adjective: diurnal
1. (biology) of or belonging to or active during the day
2. Having a daily cycle or occurring every day
a
1 knyg. dienos, dieninis (priešpriešinant nakčiai)
2 astr. parõs
autumnal
autumnal [ɔ:ˈtʌmnəl]
Adjective: autumnal
1. Of or characteristic of or occurring in autumn
2. Characteristic of late maturity verging on decline
a rudeninis, rudeniškas; rudens
vernal
vernal [ˈvə:nl]
Adjective: vernal
1. Suggestive of youth; vigorous and fresh
2. Of or characteristic of or occurring in spring
a
1 poet., spec. pavasario, pavasarinis;
vernal grass bot. (kvapioji) gardūnytė
2 prk. skaistus, jaunas
solstice
solstice [ˈsɔlstɪs]
Noun: solstice
1. Either of the two times of the year when the sun is at its greatest distance from the celestial equator
n astr. saulėgrįža, saulės grąža, solsticija .
The day of the solstice is either the longest day of the year (in summer) or the shortest day of the year (in winter) for any place outside of the tropics.
sidereal
sidereal [saɪˈdɪərɪəl]
Adjective: sidereal
1. Of or relating to the stars or constellations
2. (of divisions of time) determined by daily motion of the stars
a astr. žvaigždžių, žvaigždinis
The word sidereal derives from the Latin word for “star”. This is because sidereal motion is motion with respect to the stars. One sidereal day is the time it takes for a star in the sky to come back to the same place in the sky.
horizon
horizon [həˈraɪzn]
Noun: horizon
1. The line at which the sky and Earth appear to meet
2. The range of interest or activity that can be anticipated
3. A specific layer or stratum of soil or subsoil in a vertical cross section of land
4. The great circle on the celestial sphere whose plane passes through the sensible horizon and the center of the Earth
n
1 horizontas, akiratis (ir prk.);
over the horizon už horizonto;
to brooden/expand/widen smb’s horizon plėsti kieno akiratį
2 geol. horizontas, aukštas, vienodo senumo nuogulos
3 kas. horizontas
altitude
altitude [ˈæltɪtju:d]
Noun: altitude
- Elevation especially above sea level or above the earth’s surface
- The perpendicular distance from the base of a geometric figure to the opposite vertex (or side if parallel)
- Angular distance above the horizon (especially of a celestial object)
n 1 aukštis; aukštis virš jūros lygio; altitudė 2 (ppr. pl) aukštos vietos, aukštumos; altitude sickness kalnų liga 3 attr av. aukštuminis, aukštybinis;
altitude flight aukštybinis skridimas
ascension
ascension [əˈsenʃn]
Noun: ascension
1. A movement upward
2. (astronomy) the rising of a star above the horizon
3. The act of changing location in an upward direction
n
1 (pa)kilimas; (už)lipimas;
ascension to power valdžios paėmimas, atėjimas į valdžią
2 įkalnė
3: Ascension Day rel. Kristaus žengimo į dangų šventė, Šeštinės