ECLIPTIC - definição. O que é ECLIPTIC. Significado, conceito
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O que (quem) é ECLIPTIC - definição

APPARENT PATH OF THE SUN ON THE CELESTIAL SPHERE
Plane of the ecliptic; Astronomical ecliptic; Ecliptic circle; Ecliptic plane; Plane of ecliptic; Eclyptic
  • Equirectangular plot of declination vs right ascension of the modern constellations with a dotted line denoting the ecliptic. Constellations are colour-coded by family and year established.
  • polar axis]] (green). The plane of the ecliptic intersects the celestial sphere along a [[great circle]] (black), the same circle on which the Sun seems to move as Earth orbits it. The intersections of the ecliptic and the equator on the celestial sphere are the vernal and autumnal [[equinox]]es (red), where the Sun seems to cross the celestial equator.
  • tilted]] five degrees to the ecliptic) results in the revolution of the [[lunar nodes]] relative to the Earth. This causes an [[eclipse season]] approximately every six months, in which a [[solar eclipse]] can occur at the [[new moon]] phase and a [[lunar eclipse]] can occur at the [[full moon]] phase.
  • url = https://books.google.com/books?id=WTEaAAAAYAAJ&q=dziobek+mathematical}}, p. 294, at Google books</ref> This is the inclination to the ecliptic of 101,800 CE. Note that the ecliptic rotates by only about 7° during this time, whereas the [[celestial equator]] makes several complete cycles around the ecliptic. The ecliptic is a relatively stable reference compared to the celestial equator.
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  • equatorial coordinates]] (blue), being inclined to the ecliptic, appear to wobble as the Sun advances.
  • 365 days]].
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  • Obliquity of the ecliptic for 20,000 years, from Laskar (1986).<ref name="laskar"/> Note that the obliquity varies only from 24.2° to 22.5° during this time. The red point represents the year 2000.

Ecliptic         
·adj Pertaining to an eclipse or to eclipses.
II. Ecliptic ·adj Pertaining to the ecliptic; as, the ecliptic way.
III. Ecliptic ·adj A great circle drawn on a terrestrial globe, making an angle of 23° 28' with the equator;
- used for illustrating and solving astronomical problems.
IV. Ecliptic ·adj A great circle of the celestial sphere, making an angle with the equinoctial of about 23° 28'. It is the apparent path of the sun, or the real path of the earth as seen from the sun.
Ecliptic         
The ecliptic is the plane of Earth's orbit around the Sun. From the perspective of an observer on Earth, the Sun's movement around the celestial sphere over the course of a year traces out a path along the ecliptic against the background of stars.
Ecliptic coordinate system         
CELESTIAL COORDINATE SYSTEM USED FOR REPRESENTING THE POSITIONS OF SOLAR SYSTEM OBJECTS
Ecliptic coordinates; Ecliptic longitude; Ecliptic latitude; Mean equinox
The ecliptic coordinate system is a celestial coordinate system commonly used for representing the apparent positions, orbits, and pole orientations of Solar System objects. Because most planets (except Mercury) and many small Solar System bodies have orbits with only slight inclinations to the ecliptic, using it as the fundamental plane is convenient.

Wikipédia

Ecliptic

The ecliptic or ecliptic plane is the orbital plane of Earth around the Sun. From the perspective of an observer on Earth, the Sun's movement around the celestial sphere over the course of a year traces out a path along the ecliptic against the background of stars. The ecliptic is an important reference plane and is the basis of the ecliptic coordinate system.