Definition of Apsis. Meaning of Apsis. Synonyms of Apsis

Here you will find one or more explanations in English for the word Apsis. Also in the bottom left of the page several parts of wikipedia pages related to the word Apsis and, of course, Apsis synonyms and on the right images related to the word Apsis.

Definition of Apsis

Apsis
Apsis Ap"sis ([a^]p"s[i^]s), n.; pl. Apsides ([a^]p"s[i^]*d[=e]z). See Apse. [L. apsis, absis, Gr. "apsi`s, "apsi^dos, a tying, fastening, the hoop of a wheel, the wheel, a bow, arch, vault, fr. "a`ptein to fasten.] 1. (Astron.) One of the two points of an orbit, as of a planet or satellite, which are at the greatest and least distance from the central body, corresponding to the aphelion and perihelion of a planet, or to the apogee and perigee of the moon. The more distant is called the higher apsis; the other, the lower apsis; and the line joining them, the line of apsides. 2. (Math.) In a curve referred to polar co["o]rdinates, any point for which the radius vector is a maximum or minimum. 3. (Arch.) Same as Apse.

Meaning of Apsis from wikipedia

- An apsis (plural apsides /ˈæpsɪdiːz/ AP-sih-deez, from Gr**** "orbit") is the ****hest or nearest point in the orbit of a planetary body about its primary...
- from Latin absis 'arch, vault' from Ancient Gr**** ἀψίς apsis 'arch'; sometimes written apsis, plural apsides) is a semicircular recess covered with a...
- (for orbits around stars), and so on may replace the word periapsis. (See apsis for more information.) An argument of periapsis of 0° means that the orbiting...
- APSI (an abbreviation of "Agencia Publicitaria de Servicios Informativos") was a Chilean magazine aimed as means of political opposition to the Pinochet...
- explaining that he based calculations on 90% of the difference in lunar apsis extremes for the solar year. EarthSky analyzed Nolle's tables and described...
- Apogee is a type of apsis: an extreme point in an object's orbit. Apogee may also refer to: Apogee Books, an imprint of Canadian publishing house Collector's...
- Perigee is a type of apsis: an extreme point in an object's orbit. Perigee may also refer to: Perigee: Publication for the Arts, a quarterly literary...
- perspective in the Roman Emperor Constantine's Aula Palatina - Trier: The windows and the coffer in the apse are smaller, and the apsis has a raised floor....
- Aphelion is the apsis of greatest distance from the orbital focus in the heliocentric orbit of a celestial body. Aphelion may also refer to: Aphelion...
- Part of a series on Astrodynamics Orbital mechanics Orbital elements Apsis Argument of periapsis Eccentricity Inclination Mean anomaly Orbital nodes Semi-major...