adj
(astronomy) Designates some bright star, usually the brightest star, of a constellation.
n
(astronomy) An asteroid that orbits between the orbits of Earth and Mars.
n
(astronomy) The nearest spiral galaxy to the Milky Way, located within the Andromeda constellation (see Andromeda Galaxy); M31.
n
A spike projecting from a comet's coma which seems to extend towards the Sun.
n
Apoapsis around Neptune.
n
(astronomy) A constellation of the southern sky, said to resemble a bird of paradise.
n
A meteor forming part of a meteor shower appearing to originate from the constellation Aquarius.
n
(astronomy) A meteor in any of several meteor showers whose radiant appears to lie in the constellation Aquarius.
n
(astronomy) In the Solar system, such a body that orbits within the orbit of Jupiter
n
A very low-mass red dwarf star about six light-years away from Earth, in the constellation of Ophiuchus.
n
(astronomy) a constellation of the zodiac supposedly shaped like a goat
n
(astronomy) An icy planetoid that orbits the Sun between Jupiter and Neptune
n
(astronomy) A radially pulsating (expanding and contracting) variable star with a regular period and known relationship between period and intrinsic brightness.
n
(modern astronomy) Any of the 88 regions of the sky officially recognized by the IAU, including all stars and celestial bodies in the region.
n
(astronomy, physics) The high-mass X-ray binary star system containing this black hole and blue supergiant star.
n
Alternative form of Damocloid [(astronomy) An asteroid (such as 5335 Damocles) that exhibits long-period, highly eccentric orbits typical of periodic comets without showing a coma.]
n
(astronomy) A comet that has shed its volatiles after numerous passes around the sun.
n
(astronomy) A bluish-white star in the constellation Canis Major; Alpha (α) Canis Majoris A. A vertex of the Winter Triangle and the brightest star in the night sky. It is actually a binary star with a white dwarf companion star.
n
Alternative form of Dog Star [(astronomy) A bluish-white star in the constellation Canis Major; Alpha (α) Canis Majoris A. A vertex of the Winter Triangle and the brightest star in the night sky. It is actually a binary star with a white dwarf companion star.]
n
(planets) A planet in Lich star system, Milky Way Galaxy, Virgo constellation; One of the pair of planets that were the first exoplanets which were discovered. A planet in orbit of the pulsar Lich (PSR B1257+12)
n
(astronomy) A stellar system in the constellation of Carina.
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(astronomy) A constellation of the zodiac supposedly shaped like a pair of twins. It contains the stars Castor and Pollux.
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(astronomy) A slowly pulsating third-magnitude blue-white main sequence star in the northern constellation of Pegasus.
n
(astronomy) A constellation of the southern sky, said to resemble a pendulum clock. It lies between the constellations Fornax and Dorado.
n
(astronomy): A constellation of the zodiac, shaped approximately like a lion and containing the bright star Regulus.
n
(astrology) The astrological sign for the scales, ruled by Venus and covering September 24 - October 23 (tropical astrology) or October 16 - November 16 (sidereal astrology).
n
The star system and planetary system containing this star.
n
A star in Aquarius constellation, Orion Arm, Milky Way Galaxy
n
(astronomy) A bright circumpolar asterism of the northern sky, said to resemble a ladle or cart. It is part of the constellation Ursa Minor and includes the northern pole star Polaris.
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A (usually illuminated) star, made of a geometric solid such as a rhombicuboctahedron to which a large number of pyramidal points are attached, a popular Advent or Christmas decoration in Germany and other places there are Moravian congregations.
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(astronomy) A comet that does not return to near the sun in a regular orbit.
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(astronomy) A star, σ Sagittarii.
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(astronomy) A small circumpolar constellation of the southern sky, said to resemble an octant. It lies closest to the southern celestial pole of any constellation.
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(astronomy) A diffuse nebula visible in the night sky below Orion's Belt; it is approximately 40 light years across. It is one of the brightest nebulae visible to the naked eye and is the closest region of stellar formation to Earth.
n
The area of the Solar System that comprises certain objects that are relatively far from the Sun, including Jupiter, Saturn, Uranus and Neptune, while not including the other planets.
n
A star or constellation that rises (above the horizon) at the same time as another.
n
Periapsis around Mercury.
n
Periapsis around Jupiter.
n
(astronomy, ecology, geology) Abbreviation of potentially hazardous object. [(astronomy) A near-Earth asteroid or comet with an orbit such that it has the potential to make close approaches to the Earth and is of a size large enough to cause significant regional damage in the event of impact.]
n
(planets) A planet in Lich star system, Milky Way Galaxy, Virgo constellation; The third exoplanet ever discovered. A planet in orbit of the pulsar Lich (PSR B1257+12)
n
(astronomy) A dwarf planet
n
(astronomy) The pole star, a trinary star in the constellation Ursa Minor that currently lies close to the north celestial pole; Alpha (α) Ursae Minoris
n
(astronomy) A group of stars that accumulate into a galactic bulge.
n
(science fiction) Abbreviation of Proxima Centauri. [(astronomy) A red dwarf star, part of the Alpha Centauri system and the nearest star to Earth's solar system.]
n
(astronomy) A red dwarf star, part of the Alpha Centauri system and the nearest star to Earth's solar system.
n
(astronomy, informal) A white dwarf star, the secondary star in the binary star system Sirius, Alpha Canis Majoris.
n
(astronomy) Four stars which form a stellar system, such that they orbit the point of equilibrium of their gravitational fields; a quadruple star system.
n
(astronomy) A semiregular variable red giant, visible as a second-magnitude orange-red star in the northern constellation of Pegasus, one of four stars in the asterism of the Great Square of Pegasus.
n
The Sun, Moon, Mercury, Venus, Mars, Jupiter, and Saturn.
n
(astronomy) Abbreviation of Sagittarius. (the modern IAU constellation) [(astronomy) A constellation of the zodiac supposedly shaped like a centaur who is an archer.]
n
Any of several wild flowering plants in the genus Dodecatheon, mostly found in Western North America.
n
(mythology, astronomy) the Milky Way, the night sky visual phenomenon caused by dense regions of the Milky Way Galaxy appearing nebulous (generally found when referring to East Asians in a historical context, situated in East Asia)
n
(astronomy) A white main sequence star, the primary star of the star system, the only star of the pair that is visible to the naked eye. Long understood as a single extremely luminous white star, it was associated in ancient Egypt with the Nile flood and in Greek and Roman culture with the "dog days" of summer.
n
One of the six stars in the Pleiades cluster, faintly visible to the unaided eye.
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Omicron Leonis Aa, one of the components of the binary pair Omicron Leonis A that makes up part of this system.
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(astronomy) Any of a class of young visible stars having optical variability; they are often surrounded by a protoplanetary disc.
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(astronomy) The visible stream of dust and gases blown from a comet by the solar wind.
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(astronomy) A small faint constellation of the southern winter sky, said to resemble a telescope. It lies south of the constellation of Corona Australis.
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(astrophysics) the L4 and L5 Lagrange points of the Sun-Jupiter orbital configuration
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(astronomy): A constellation in the zodiac, imagined in the shape of a maiden, that contains the bright binary star Spica.
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(astronomy) A main sequence star, luminosity class V, of spectral type G.
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(stars) Abbreviation of zero-age horizontal branch.
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