Faster access than browser!
72 relations: Alexander Vyssotsky, Apparent magnitude, Aquarius (constellation), Astrometry, Astronomical spectroscopy, Astronomical unit, Atmosphere, BBC News, BY Draconis variable, Chromosphere, Circumstellar habitable zone, Conjunction (astronomy), Constellation, Coplanarity, Day, Diatomic molecule, Doppler spectroscopy, Durchmusterung, Earth, Epsilon Eridani, Europa (moon), Exoplanet, Galilean moons, Ganymede (moon), Geoffrey Marcy, Giant planet, Gliese 581, Gliese 674, Gliese 876 b, Gliese 876 c, Gliese 876 d, Gliese 876 e, Hipparcos, Infrared, Io (moon), Iron, Jupiter, Kapteyn's Star, Light-year, List of exoplanets, List of nearest stars and brown dwarfs, Luminosity, Mercury (planet), Metallicity, Minute and second of arc, Naked eye, Orbit, Orbital eccentricity, Orbital elements, Orbital period, ..., Orbital resonance, Parallax, Planetary system, PSR B1257+12, Pulsar, Red dwarf, Satellite, Solar System, Star catalogue, Starspot, Sudarsky's gas giant classification, Sun, Tau Ceti, Telescope, Temperature, Terrestrial planet, Transit (astronomy), Uranus, Variable star, Variable star designation, Wavelength, Wolf 1061. Expand index (22 more) »
Alexander Vyssotsky
Alexander Nikolayevich Vyssotsky (Алекса́ндр Никола́евич Высо́тский, 23 May 1888 – December 31, 1973) was a Russian-American astronomer.
New!!: Gliese 876 and Alexander Vyssotsky · See more »
Apparent magnitude
The apparent magnitude of a celestial object is a number that is a measure of its brightness as seen by an observer on Earth.
New!!: Gliese 876 and Apparent magnitude · See more »
Aquarius (constellation)
Aquarius is a constellation of the zodiac, situated between Capricornus and Pisces.
New!!: Gliese 876 and Aquarius (constellation) · See more »
Astrometry
Astrometry is the branch of astronomy that involves precise measurements of the positions and movements of stars and other celestial bodies.
New!!: Gliese 876 and Astrometry · See more »
Astronomical spectroscopy
Astronomical spectroscopy is the study of astronomy using the techniques of spectroscopy to measure the spectrum of electromagnetic radiation, including visible light and radio, which radiates from stars and other celestial objects.
New!!: Gliese 876 and Astronomical spectroscopy · See more »
Astronomical unit
The astronomical unit (symbol: au, ua, or AU) is a unit of length, roughly the distance from Earth to the Sun.
New!!: Gliese 876 and Astronomical unit · See more »
Atmosphere
An atmosphere is a layer or a set of layers of gases surrounding a planet or other material body, that is held in place by the gravity of that body.
New!!: Gliese 876 and Atmosphere · See more »
BBC News
BBC News is an operational business division of the British Broadcasting Corporation (BBC) responsible for the gathering and broadcasting of news and current affairs.
New!!: Gliese 876 and BBC News · See more »
BY Draconis variable
BY Draconis variables are variable stars of late spectral types, usually K or M, and typically belong to the main sequence.
New!!: Gliese 876 and BY Draconis variable · See more »
Chromosphere
The chromosphere (literally, "sphere of color") is the second of the three main layers in the Sun's atmosphere and is roughly 3,000 to 5,000 kilometers deep.
New!!: Gliese 876 and Chromosphere · See more »
Circumstellar habitable zone
In astronomy and astrobiology, the circumstellar habitable zone (CHZ), or simply the habitable zone, is the range of orbits around a star within which a planetary surface can support liquid water given sufficient atmospheric pressure.
New!!: Gliese 876 and Circumstellar habitable zone · See more »
Conjunction (astronomy)
In astronomy, a conjunction occurs when two astronomical objects or spacecraft have either the same right ascension or the same ecliptic longitude, usually as observed from Earth.
New!!: Gliese 876 and Conjunction (astronomy) · See more »
Constellation
A constellation is a group of stars that are considered to form imaginary outlines or meaningful patterns on the celestial sphere, typically representing animals, mythological people or gods, mythological creatures, or manufactured devices.
New!!: Gliese 876 and Constellation · See more »
Coplanarity
In geometry, a set of points in space are coplanar if there exists a geometric plane that contains them all.
New!!: Gliese 876 and Coplanarity · See more »
Day
A day, a unit of time, is approximately the period of time during which the Earth completes one rotation with respect to the Sun (solar day).
New!!: Gliese 876 and Day · See more »
Diatomic molecule
Diatomic molecules are molecules composed of only two atoms, of the same or different chemical elements.
New!!: Gliese 876 and Diatomic molecule · See more »
Doppler spectroscopy
Doppler spectroscopy (also known as the radial-velocity method, or colloquially, the wobble method) is an indirect method for finding extrasolar planets and brown dwarfs from radial-velocity measurements via observation of Doppler shifts in the spectrum of the planet's parent star.
New!!: Gliese 876 and Doppler spectroscopy · See more »
Durchmusterung
In astronomy, Durchmusterung or Bonner Durchmusterung (BD), is the comprehensive astrometric star catalogue of the whole sky, compiled by the Bonn Observatory (Germany) from 1859 to 1903.
New!!: Gliese 876 and Durchmusterung · See more »
Earth
Earth is the third planet from the Sun and the only astronomical object known to harbor life.
New!!: Gliese 876 and Earth · See more »
Epsilon Eridani
Epsilon Eridani (ε Eridani, abbreviated Epsilon Eri, ε Eri), also named Ran, is a star in the southern constellation of Eridanus, at a declination of 9.46° south of the celestial equator.
New!!: Gliese 876 and Epsilon Eridani · See more »
Europa (moon)
Europa or as Ευρώπη (Jupiter II) is the smallest of the four Galilean moons orbiting Jupiter, and the sixth-closest to the planet.
New!!: Gliese 876 and Europa (moon) · See more »
Exoplanet
An exoplanet or extrasolar planet is a planet outside our solar system.
New!!: Gliese 876 and Exoplanet · See more »
Galilean moons
The Galilean moons are the four largest moons of Jupiter—Io, Europa, Ganymede, and Callisto.
New!!: Gliese 876 and Galilean moons · See more »
Ganymede (moon)
Ganymede (Jupiter III) is the largest and most massive moon of Jupiter and in the Solar System.
New!!: Gliese 876 and Ganymede (moon) · See more »
Geoffrey Marcy
Geoffrey William Marcy (born September 29, 1954) is an American astronomer.
New!!: Gliese 876 and Geoffrey Marcy · See more »
Giant planet
A giant planet is any massive planet.
New!!: Gliese 876 and Giant planet · See more »
Gliese 581
Gliese 581 is a star of spectral type M3V (a red dwarf) at the center of the Gliese 581 planetary system, about 20 light years away from Earth in the Libra constellation.
New!!: Gliese 876 and Gliese 581 · See more »
Gliese 674
Gliese 674 (Gliese–Jahreiß 674) is a pre-main-sequence red dwarf approximately 15 light years away in the southern constellation of Ara.
New!!: Gliese 876 and Gliese 674 · See more »
Gliese 876 b
Gliese 876 b is an exoplanet orbiting the red dwarf Gliese 876.
New!!: Gliese 876 and Gliese 876 b · See more »
Gliese 876 c
Gliese 876 c is an exoplanet orbiting the red dwarf Gliese 876, taking about 30 days to complete an orbit.
New!!: Gliese 876 and Gliese 876 c · See more »
Gliese 876 d
Gliese 876 d is an exoplanet approximately 15 light-years away in the constellation of Aquarius.
New!!: Gliese 876 and Gliese 876 d · See more »
Gliese 876 e
Gliese 876 e is an exoplanet orbiting the star Gliese 876 in the constellation of Aquarius.
New!!: Gliese 876 and Gliese 876 e · See more »
Hipparcos
Hipparcos was a scientific satellite of the European Space Agency (ESA), launched in 1989 and operated until 1993.
New!!: Gliese 876 and Hipparcos · See more »
Infrared
Infrared radiation (IR) is electromagnetic radiation (EMR) with longer wavelengths than those of visible light, and is therefore generally invisible to the human eye (although IR at wavelengths up to 1050 nm from specially pulsed lasers can be seen by humans under certain conditions). It is sometimes called infrared light.
New!!: Gliese 876 and Infrared · See more »
Io (moon)
Io (Jupiter I) is the innermost of the four Galilean moons of the planet Jupiter.
New!!: Gliese 876 and Io (moon) · See more »
Iron
Iron is a chemical element with symbol Fe (from ferrum) and atomic number 26.
New!!: Gliese 876 and Iron · See more »
Jupiter
Jupiter is the fifth planet from the Sun and the largest in the Solar System.
New!!: Gliese 876 and Jupiter · See more »
Kapteyn's Star
Kapteyn's Star is a class M1 red subdwarf about 12.76 light years from Earth in the southern constellation Pictor; it is the closest halo star to the Solar System.
New!!: Gliese 876 and Kapteyn's Star · See more »
Light-year
The light-year is a unit of length used to express astronomical distances and measures about 9.5 trillion kilometres or 5.9 trillion miles.
New!!: Gliese 876 and Light-year · See more »
List of exoplanets
This is a list of exoplanets.
New!!: Gliese 876 and List of exoplanets · See more »
List of nearest stars and brown dwarfs
The following two lists include all the known stars and brown dwarfs that are within of the Sun, or were/will be within in the astronomically near past or future.
New!!: Gliese 876 and List of nearest stars and brown dwarfs · See more »
Luminosity
In astronomy, luminosity is the total amount of energy emitted per unit of time by a star, galaxy, or other astronomical object.
New!!: Gliese 876 and Luminosity · See more »
Mercury (planet)
Mercury is the smallest and innermost planet in the Solar System.
New!!: Gliese 876 and Mercury (planet) · See more »
Metallicity
In astronomy, metallicity is used to describe the abundance of elements present in an object that are heavier than hydrogen or helium.
New!!: Gliese 876 and Metallicity · See more »
Minute and second of arc
A minute of arc, arcminute (arcmin), arc minute, or minute arc is a unit of angular measurement equal to of one degree.
New!!: Gliese 876 and Minute and second of arc · See more »
Naked eye
Naked eye, also called bare eye or unaided eye, is the practice of engaging in visual perception unaided by a magnifying or light-collecting optical instrument, such as a telescope or microscope.
New!!: Gliese 876 and Naked eye · See more »
Orbit
In physics, an orbit is the gravitationally curved trajectory of an object, such as the trajectory of a planet around a star or a natural satellite around a planet.
New!!: Gliese 876 and Orbit · See more »
Orbital eccentricity
The orbital eccentricity of an astronomical object is a parameter that determines the amount by which its orbit around another body deviates from a perfect circle.
New!!: Gliese 876 and Orbital eccentricity · See more »
Orbital elements
Orbital elements are the parameters required to uniquely identify a specific orbit.
New!!: Gliese 876 and Orbital elements · See more »
Orbital period
The orbital period is the time a given astronomical object takes to complete one orbit around another object, and applies in astronomy usually to planets or asteroids orbiting the Sun, moons orbiting planets, exoplanets orbiting other stars, or binary stars.
New!!: Gliese 876 and Orbital period · See more »
Orbital resonance
In celestial mechanics, an orbital resonance occurs when orbiting bodies exert a regular, periodic gravitational influence on each other, usually because their orbital periods are related by a ratio of small integers.
New!!: Gliese 876 and Orbital resonance · See more »
Parallax
Parallax is a displacement or difference in the apparent position of an object viewed along two different lines of sight, and is measured by the angle or semi-angle of inclination between those two lines.
New!!: Gliese 876 and Parallax · See more »
Planetary system
A planetary system is a set of gravitationally bound non-stellar objects in or out of orbit around a star or star system.
New!!: Gliese 876 and Planetary system · See more »
PSR B1257+12
PSR B1257+12, previously designated PSR 1257+12, alternatively designated PSR J1300+1240, also named Lich, is a pulsar located 2,300 light years from the Sun in the constellation of Virgo.
New!!: Gliese 876 and PSR B1257+12 · See more »
Pulsar
A pulsar (from pulse and -ar as in quasar) is a highly magnetized rotating neutron star or white dwarf that emits a beam of electromagnetic radiation.
New!!: Gliese 876 and Pulsar · See more »
Red dwarf
A red dwarf (or M dwarf) is a small and relatively cool star on the main sequence, of M spectral type.
New!!: Gliese 876 and Red dwarf · See more »
Satellite
In the context of spaceflight, a satellite is an artificial object which has been intentionally placed into orbit.
New!!: Gliese 876 and Satellite · See more »
Solar System
The Solar SystemCapitalization of the name varies.
New!!: Gliese 876 and Solar System · See more »
Star catalogue
A star catalogue (Commonwealth English) or star catalog (American English), is an astronomical catalogue that lists stars.
New!!: Gliese 876 and Star catalogue · See more »
Starspot
Starspots are stellar phenomena.
New!!: Gliese 876 and Starspot · See more »
Sudarsky's gas giant classification
Sudarsky's classification of gas giants for the purpose of predicting their appearance based on their temperature was outlined by David Sudarsky and colleagues in the paper Albedo and Reflection Spectra of Extrasolar Giant Planets and expanded on in Theoretical Spectra and Atmospheres of Extrasolar Giant Planets, published before any successful direct or indirect observation of an extrasolar planet atmosphere was made.
New!!: Gliese 876 and Sudarsky's gas giant classification · See more »
Sun
The Sun is the star at the center of the Solar System.
New!!: Gliese 876 and Sun · See more »
Tau Ceti
Tau Ceti, Latinized from τ Ceti, is a single star in the constellation Cetus that is spectrally similar to the Sun, although it has only about 78% of the Sun's mass.
New!!: Gliese 876 and Tau Ceti · See more »
Telescope
A telescope is an optical instrument that aids in the observation of remote objects by collecting electromagnetic radiation (such as visible light).
New!!: Gliese 876 and Telescope · See more »
Temperature
Temperature is a physical quantity expressing hot and cold.
New!!: Gliese 876 and Temperature · See more »
Terrestrial planet
A terrestrial planet, telluric planet, or rocky planet is a planet that is composed primarily of silicate rocks or metals.
New!!: Gliese 876 and Terrestrial planet · See more »
Transit (astronomy)
In astronomy, a transit or astronomical transit is the phenomenon of at least one celestial body appearing to move across the face of another celestial body, hiding a small part of it, as seen by an observer at some particular vantage point.
New!!: Gliese 876 and Transit (astronomy) · See more »
Uranus
Uranus is the seventh planet from the Sun.
New!!: Gliese 876 and Uranus · See more »
Variable star
A variable star is a star whose brightness as seen from Earth (its apparent magnitude) fluctuates.
New!!: Gliese 876 and Variable star · See more »
Variable star designation
Variable stars are designated using a variation on the Bayer designation format of an identifying label (as described below) combined with the Latin genitive of the name of the constellation in which the star lies.
New!!: Gliese 876 and Variable star designation · See more »
Wavelength
In physics, the wavelength is the spatial period of a periodic wave—the distance over which the wave's shape repeats.
New!!: Gliese 876 and Wavelength · See more »
Wolf 1061
Wolf 1061 (also known as HIP 80824 and V2306 Ophiuchi) is an M class red dwarf star located about 13.8 light years away in the constellation Ophiuchus.
New!!: Gliese 876 and Wolf 1061 · See more »
Redirects here:
BD-15deg6290, BD-15°6290, Closest extrasolar planetary system, G156-057, GCTP 5546.00, GJ 876, Gj 876, Gliese 876 f, HIP 113020, IL Aqr, IL Aquarii, LHS 530, Ross 780, Vyssotsky 337.
References
[1] https://en.wikipedia.org/wiki/Gliese_876
