examples:

north celestial pole

the celestial pole above the northern hemisphere; near Polaris

south celestial pole

the celestial pole above the southern hemisphere

types:

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apex, apex of the sun's way, solar apex

the point on the celestial sphere toward which the sun and solar system appear to be moving relative to the fixed stars

antapex

the point opposite in direction from the solar apex; the point the solar system is moving away from

apoapsis, point of apoapsis

(astronomy) the point in an orbit farthest from the body being orbited

node

(astronomy) a point where an orbit crosses a plane

equinoctial point, equinox

(astronomy) either of the two celestial points at which the celestial equator intersects the ecliptic

culmination

(astronomy) a heavenly body's highest celestial point above an observer's horizon

nadir

the point below the observer that is directly opposite the zenith on the imaginary sphere against which celestial bodies appear to be projected

periapsis, point of periapsis

(astronomy) the point in an orbit closest to the body being orbited

celestial pole, pole

one of two points of intersection of the Earth's axis and the celestial sphere

zenith

the point above the observer that is directly opposite the nadir on the imaginary sphere against which celestial bodies appear to be projected

exaltation

the location of a planet in the zodiac at which it is believed to exert its maximum influence

apogee

apoapsis in Earth orbit; the point in its orbit where a satellite is at the greatest distance from the Earth

aphelion

apoapsis in solar orbit; the point in the orbit of a planet or comet that is at the greatest distance from the sun

apojove

apoapsis in orbit around Jupiter

apolune, aposelene

apoapsis in orbit around the moon

ascending node

the point at which an orbit crosses the ecliptic plane going north

vernal equinox

(astronomy) the equinoctial point that lies in the constellation of Pisces

autumnal equinox

(astronomy) the equinoctial point that lies in the constellation of Virgo

descending node

the point at which an orbit crosses the ecliptic plane going south

perigee

periapsis in Earth orbit; the point in its orbit where a satellite is nearest to the Earth

perihelion

periapsis in solar orbit; the point in the orbit of a planet or comet where it is nearest to the sun

perijove

periapsis in orbit around Jupiter

perilune, periselene

periapsis in orbit around the moon

type of:

point

the precise location of something; a spatially limited location