﻿ Definition of Apsides. Meaning of Apsides. Synonyms of Apsides

# Definition of Apsides. Meaning of Apsides. Synonyms of Apsides

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

## Definition of Apsides

Apsides
Apsides Ap"si*des, n. pl. See Apsis.
Apsides
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 Apsides from wikipedia

- The apsides of Earth's orbit of the Sun are two: the aphelion, where Earth is ****hest from the sun, and the perihelion, where it is nearest. "Apsides" can...
- (gradual rotation) of the line connecting the apsides (line of apsides) of an astronomical body's orbit. The apsides are the orbital points closest (periapsis)...
- one revolution with respect to its apsides. The orbit of the Earth is elliptical; the extreme points, called apsides, are the perihelion, where the Earth...
- vault" from Gr**** ἀψίς apsis "arch"; sometimes written apsis, plural apsides) is a semicircular recess covered with a hemispherical vault or semi-dome...
- An apse line, or line of apsides, is an imaginary line defined by an orbit's eccentricity vector. It is strictly defined for elliptic, parabolic, and...
- diagram shows the relation between the line of the solstice and the line of apsides of Earth's elliptical orbit. The orbital ellipse goes through each of the...
- United States Naval Observatory (January 4, 2018). "Earth's Seasons and Apsides: Equinoxes, Solstices, Perihelion, and Aphelion". Archived from the original...
- fixed. In particular, the position of the extreme points (the line of the apsides: perigee and apogee), rotates once (apsidal precession) in about 3,233 days...
- United States Naval Observatory (January 4, 2018). "Earth's Seasons and Apsides: Equinoxes, Solstices, Perihelion, and Aphelion". Archived from the original...
- problem; how the Moon rotates on its apsides. Even Newton could account for only half of the motion of the apsides. This issue had puzzled astronomers...