Get it on Google Play
New! Download Unionpedia on your Android™ device!
Faster access than browser!

Hyades (star cluster)

Index Hyades (star cluster)

The Hyades (Greek Ὑάδες, also known as Melotte 25 or Collinder 50) is the nearest open cluster and one of the best-studied star clusters. [1]

75 relations: Achilles, Aldebaran, Alfred, Lord Tennyson, Apparent magnitude, Asterism (astronomy), Astronomical unit, Atlas (mythology), Barred spiral galaxy, Bayer designation, Beehive Cluster, Binary star, Brown dwarf, Caldwell catalogue, Charles Messier, Collinder catalog, Constellation, Cosmic distance ladder, Delta Tauri, Earth, Epsilon Tauri, Exoplanet, Galactic Center, Gamma Tauri, Gas giant, Giant star, Giovanni Battista Hodierna, Globular cluster, Greek language, Green Grow the Rushes, O, Henry Draper Catalogue, Hephaestus, Hertzsprung–Russell diagram, Hipparcos, Homer, Hubble Space Telescope, Hyades (mythology), Hyades Stream, Iliad, Iota Horologii, Kappa Tauri, Lewis Boss, Light-year, Mass segregation (astronomy), Messier 67, Metallicity, Milky Way, Monthly Notices of the Royal Astronomical Society, Naked eye, Open cluster, Orion (constellation), ..., Ovid, Philibert Jacques Melotte, Photoevaporation, Pleiades, Pleiades (Greek mythology), Proper motion, Red dwarf, Semi-major and semi-minor axes, Sirius, Solar mass, Star cluster, Stellar classification, Stellar designations and names, Stellar evolution, Stellar parallax, Sun, Taurus (constellation), Theta Tauri, Ulysses (poem), Upsilon Tauri, Ursa Major, Ursa Major Moving Group, White dwarf, 71 Tauri, 90 Tauri. Expand index (25 more) »


In Greek mythology, Achilles or Achilleus (Ἀχιλλεύς, Achilleus) was a Greek hero of the Trojan War and the central character and greatest warrior of Homer's Iliad.

New!!: Hyades (star cluster) and Achilles · See more »


Aldebaran, designated Alpha Tauri (α Tauri, abbreviated Alpha Tau, α Tau), is an orange giant star located about 65 light-years from the Sun in the zodiac constellation of Taurus.

New!!: Hyades (star cluster) and Aldebaran · See more »

Alfred, Lord Tennyson

Alfred Tennyson, 1st Baron Tennyson (6 August 1809 – 6 October 1892) was Poet Laureate of Great Britain and Ireland during much of Queen Victoria's reign and remains one of the most popular British poets.

New!!: Hyades (star cluster) and Alfred, Lord Tennyson · 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!!: Hyades (star cluster) and Apparent magnitude · See more »

Asterism (astronomy)

In observational astronomy, an asterism is a popular known pattern or group of stars that are recognised in the night sky.

New!!: Hyades (star cluster) and Asterism (astronomy) · 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!!: Hyades (star cluster) and Astronomical unit · See more »

Atlas (mythology)

In Greek mythology, Atlas (Ἄτλας, Átlas) was a Titan condemned to hold up the sky for eternity after the Titanomachy.

New!!: Hyades (star cluster) and Atlas (mythology) · See more »

Barred spiral galaxy

A barred spiral galaxy is a spiral galaxy with a central bar-shaped structure composed of stars.

New!!: Hyades (star cluster) and Barred spiral galaxy · See more »

Bayer designation

A Bayer designation is a stellar designation in which a specific star is identified by a Greek letter, followed by the genitive form of its parent constellation's Latin name.

New!!: Hyades (star cluster) and Bayer designation · See more »

Beehive Cluster

The Beehive Cluster (also known as Praesepe (Latin for "manger"), M44, NGC 2632, or Cr 189), is an open cluster in the constellation Cancer.

New!!: Hyades (star cluster) and Beehive Cluster · See more »

Binary star

A binary star is a star system consisting of two stars orbiting around their common barycenter.

New!!: Hyades (star cluster) and Binary star · See more »

Brown dwarf

Brown dwarfs are substellar objects that occupy the mass range between the heaviest gas giant planets and the lightest stars, having masses between approximately 13 to 75–80 times that of Jupiter, or approximately to about.

New!!: Hyades (star cluster) and Brown dwarf · See more »

Caldwell catalogue

The Caldwell Catalogue is an astronomical catalogue of 109 star clusters, nebulae, and galaxies for observation by amateur astronomers.

New!!: Hyades (star cluster) and Caldwell catalogue · See more »

Charles Messier

Charles Messier (26 June 1730 – 12 April 1817) was a French astronomer most notable for publishing an astronomical catalogue consisting of nebulae and star clusters that came to be known as the 110 "Messier objects".

New!!: Hyades (star cluster) and Charles Messier · See more »

Collinder catalog

In astronomy, the Collinder catalog is a catalog of 471 open clusters by Swedish astronomer Per Collinder.

New!!: Hyades (star cluster) and Collinder catalog · See more »


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!!: Hyades (star cluster) and Constellation · See more »

Cosmic distance ladder

The cosmic distance ladder (also known as the extragalactic distance scale) is the succession of methods by which astronomers determine the distances to celestial objects.

New!!: Hyades (star cluster) and Cosmic distance ladder · See more »

Delta Tauri

The Bayer designation Delta Tauri (δ Tau, δ Tauri) is shared by three star systems in the constellation Taurus.

New!!: Hyades (star cluster) and Delta Tauri · See more »


Earth is the third planet from the Sun and the only astronomical object known to harbor life.

New!!: Hyades (star cluster) and Earth · See more »

Epsilon Tauri

Epsilon Tauri (ε Tauri, abbreviated Epsilon Tau, ε Tau), also named Ain, is an orange giant star located approximately 45 parsecs (147 light-years) from the Sun in the constellation of Taurus.

New!!: Hyades (star cluster) and Epsilon Tauri · See more »


An exoplanet or extrasolar planet is a planet outside our solar system.

New!!: Hyades (star cluster) and Exoplanet · See more »

Galactic Center

The Galactic Center is the rotational center of the Milky Way.

New!!: Hyades (star cluster) and Galactic Center · See more »

Gamma Tauri

Gamma Tauri (γ Tauri, abbreviated Gam Tau, γ Tau) is either a solitary, binary or double star (the Washington Double Star Catalog notes it as a "Dubious Double" or "Bogus Binary") that marks the tip of the "V" in the constellation of Taurus.

New!!: Hyades (star cluster) and Gamma Tauri · See more »

Gas giant

A gas giant is a giant planet composed mainly of hydrogen and helium.

New!!: Hyades (star cluster) and Gas giant · See more »

Giant star

A giant star is a star with substantially larger radius and luminosity than a main-sequence (or dwarf) star of the same surface temperature.

New!!: Hyades (star cluster) and Giant star · See more »

Giovanni Battista Hodierna

Giovanni Battista Hodierna, also spelled as Odierna (April 13, 1597 – April 6, 1660) was an Italian astronomer at the court of Giulio Tomasi, Duke of Palma (Palma di Montechiaro).

New!!: Hyades (star cluster) and Giovanni Battista Hodierna · See more »

Globular cluster

A globular cluster is a spherical collection of stars that orbits a galactic core as a satellite.

New!!: Hyades (star cluster) and Globular cluster · See more »

Greek language

Greek (Modern Greek: ελληνικά, elliniká, "Greek", ελληνική γλώσσα, ellinikí glóssa, "Greek language") is an independent branch of the Indo-European family of languages, native to Greece and other parts of the Eastern Mediterranean and the Black Sea.

New!!: Hyades (star cluster) and Greek language · See more »

Green Grow the Rushes, O

Green Grow the Rushes, O (alternatively Ho or Oh) (also known as The Twelve Prophets, The Carol of the Twelve Numbers, The Teaching Song, The Dilly Song, or The Ten Commandments), is an English folk song (Roud #133) popular across the English-speaking world.

New!!: Hyades (star cluster) and Green Grow the Rushes, O · See more »

Henry Draper Catalogue

The Henry Draper Catalogue (HD) is an astronomical star catalogue published between 1918 and 1924, giving spectroscopic classifications for 225,300 stars; it was later expanded by the Henry Draper Extension (HDE), published between 1925 and 1936, which gave classifications for 46,850 more stars, and by the Henry Draper Extension Charts (HDEC), published from 1937 to 1949 in the form of charts, which gave classifications for 86,933 more stars.

New!!: Hyades (star cluster) and Henry Draper Catalogue · See more »


Hephaestus (eight spellings; Ἥφαιστος Hēphaistos) is the Greek god of blacksmiths, metalworking, carpenters, craftsmen, artisans, sculptors, metallurgy, fire, and volcanoes.

New!!: Hyades (star cluster) and Hephaestus · See more »

Hertzsprung–Russell diagram

The Hertzsprung–Russell diagram, abbreviated H–R diagram, HR diagram or HRD, is a scatter plot of stars showing the relationship between the stars' absolute magnitudes or luminosities versus their stellar classifications or effective temperatures.

New!!: Hyades (star cluster) and Hertzsprung–Russell diagram · See more »


Hipparcos was a scientific satellite of the European Space Agency (ESA), launched in 1989 and operated until 1993.

New!!: Hyades (star cluster) and Hipparcos · See more »


Homer (Ὅμηρος, Hómēros) is the name ascribed by the ancient Greeks to the legendary author of the Iliad and the Odyssey, two epic poems that are the central works of ancient Greek literature.

New!!: Hyades (star cluster) and Homer · See more »

Hubble Space Telescope

The Hubble Space Telescope (HST) is a space telescope that was launched into low Earth orbit in 1990 and remains in operation.

New!!: Hyades (star cluster) and Hubble Space Telescope · See more »

Hyades (mythology)

In Greek mythology, the Hyades (Ὑάδες, popularly "the rainy ones" from ὕω hyo "I fall as rain", but probably from ὗς hys "swine") are a sisterhood of nymphs that bring rain.

New!!: Hyades (star cluster) and Hyades (mythology) · See more »

Hyades Stream

The Hyades Stream (or Hyades moving group) is a large collection of scattered stars that also share a similar trajectory with the Hyades Cluster.

New!!: Hyades (star cluster) and Hyades Stream · See more »


The Iliad (Ἰλιάς, in Classical Attic; sometimes referred to as the Song of Ilion or Song of Ilium) is an ancient Greek epic poem in dactylic hexameter, traditionally attributed to Homer.

New!!: Hyades (star cluster) and Iliad · See more »

Iota Horologii

Iota Horologii, Latinized from ι Horologii, is a yellow-hued star approximately 56 light-years away in the Horologium constellation.

New!!: Hyades (star cluster) and Iota Horologii · See more »

Kappa Tauri

Kappa Tauri (κ Tau, κ Tauri) is a double star in the constellation Taurus and a member of the Hyades open cluster.

New!!: Hyades (star cluster) and Kappa Tauri · See more »

Lewis Boss

Lewis Boss (26 October 1846 – 5 October 1912) was an American astronomer.

New!!: Hyades (star cluster) and Lewis Boss · See more »


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!!: Hyades (star cluster) and Light-year · See more »

Mass segregation (astronomy)

In astronomy, dynamical mass segregation is the process by which heavier members of a gravitationally bound system, such as a star cluster or cluster of galaxies, tend to move toward the center, while lighter members tend to move farther away from the center.

New!!: Hyades (star cluster) and Mass segregation (astronomy) · See more »

Messier 67

Messier 67 (also known as M67 or NGC 2682) is an open cluster in the constellation of Cancer.

New!!: Hyades (star cluster) and Messier 67 · See more »


In astronomy, metallicity is used to describe the abundance of elements present in an object that are heavier than hydrogen or helium.

New!!: Hyades (star cluster) and Metallicity · See more »

Milky Way

The Milky Way is the galaxy that contains our Solar System.

New!!: Hyades (star cluster) and Milky Way · See more »

Monthly Notices of the Royal Astronomical Society

Monthly Notices of the Royal Astronomical Society (MNRAS) is a peer-reviewed scientific journal covering research in astronomy and astrophysics.

New!!: Hyades (star cluster) and Monthly Notices of the Royal Astronomical Society · 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!!: Hyades (star cluster) and Naked eye · See more »

Open cluster

An open cluster is a group of up to a few thousand stars that were formed from the same giant molecular cloud and have roughly the same age.

New!!: Hyades (star cluster) and Open cluster · See more »

Orion (constellation)

Orion is a prominent constellation located on the celestial equator and visible throughout the world.

New!!: Hyades (star cluster) and Orion (constellation) · See more »


Publius Ovidius Naso (20 March 43 BC – 17/18 AD), known as Ovid in the English-speaking world, was a Roman poet who lived during the reign of Augustus.

New!!: Hyades (star cluster) and Ovid · See more »

Philibert Jacques Melotte

Philibert Jacques Melotte (29 January 1880 – 30 March 1961) was a British astronomer whose parents emigrated from Belgium.

New!!: Hyades (star cluster) and Philibert Jacques Melotte · See more »


Photoevaporation denotes the process where energetic radiation ionises gas and causes it to disperse away from the ionising source.

New!!: Hyades (star cluster) and Photoevaporation · See more »


The Pleiades (also known as the Seven Sisters and Messier 45), are an open star cluster containing middle-aged, hot B-type stars located in the constellation of Taurus.

New!!: Hyades (star cluster) and Pleiades · See more »

Pleiades (Greek mythology)

The Pleiades (Πλειάδες), companions of Artemis, were the seven daughters of the titan Atlas and the sea-nymph Pleione born on Mount Cyllene.

New!!: Hyades (star cluster) and Pleiades (Greek mythology) · See more »

Proper motion

Proper motion is the astronomical measure of the observed changes in the apparent places of stars or other celestial objects in the sky, as seen from the center of mass of the Solar System, compared to the abstract background of the more distant stars.

New!!: Hyades (star cluster) and Proper motion · 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!!: Hyades (star cluster) and Red dwarf · See more »

Semi-major and semi-minor axes

In geometry, the major axis of an ellipse is its longest diameter: a line segment that runs through the center and both foci, with ends at the widest points of the perimeter.

New!!: Hyades (star cluster) and Semi-major and semi-minor axes · See more »


Sirius (a romanization of Greek Σείριος, Seirios,."glowing" or "scorching") is a star system and the brightest star in the Earth's night sky.

New!!: Hyades (star cluster) and Sirius · See more »

Solar mass

The solar mass is a standard unit of mass in astronomy, equal to approximately.

New!!: Hyades (star cluster) and Solar mass · See more »

Star cluster

Star clusters are groups of stars.

New!!: Hyades (star cluster) and Star cluster · See more »

Stellar classification

In astronomy, stellar classification is the classification of stars based on their spectral characteristics.

New!!: Hyades (star cluster) and Stellar classification · See more »

Stellar designations and names

Designations and names of stars (and other celestial bodies) are currently primarily mediated in the scientific community by the International Astronomical Union (IAU), a de facto authority.

New!!: Hyades (star cluster) and Stellar designations and names · See more »

Stellar evolution

Stellar evolution is the process by which a star changes over the course of time.

New!!: Hyades (star cluster) and Stellar evolution · See more »

Stellar parallax

Stellar parallax is the apparent shift of position of any nearby star (or other object) against the background of distant objects.

New!!: Hyades (star cluster) and Stellar parallax · See more »


The Sun is the star at the center of the Solar System.

New!!: Hyades (star cluster) and Sun · See more »

Taurus (constellation)

Taurus (Latin for "the Bull") is one of the constellations of the zodiac, which means it is crossed by the plane of the ecliptic.

New!!: Hyades (star cluster) and Taurus (constellation) · See more »

Theta Tauri

Theta Tauri (θ Tauri, abbreviated Tet Tau, θ Tau) is a double star in the constellation of Taurus and a member of the Hyades open cluster.

New!!: Hyades (star cluster) and Theta Tauri · See more »

Ulysses (poem)

"Ulysses" is a poem in blank verse by the Victorian poet Alfred, Lord Tennyson (1809–1892), written in 1833 and published in 1842 in his well-received second volume of poetry.

New!!: Hyades (star cluster) and Ulysses (poem) · See more »

Upsilon Tauri

Upsilon Tauri (υ Tauri) is a solitary, white-hued star in the zodiac constellation of Taurus, and is a member of the Hyades star cluster.

New!!: Hyades (star cluster) and Upsilon Tauri · See more »

Ursa Major

Ursa Major (also known as the Great Bear) is a constellation in the northern sky, whose associated mythology likely dates back into prehistory.

New!!: Hyades (star cluster) and Ursa Major · See more »

Ursa Major Moving Group

The Ursa Major Moving Group, also known as Collinder 285 and the Ursa Major association, is a nearby stellar moving group – a set of stars with common velocities in space and thought to have a common origin in space and time.

New!!: Hyades (star cluster) and Ursa Major Moving Group · See more »

White dwarf

A white dwarf, also called a degenerate dwarf, is a stellar core remnant composed mostly of electron-degenerate matter.

New!!: Hyades (star cluster) and White dwarf · See more »

71 Tauri

71 Tauri (71 Tau) is a faint star in the constellation Taurus.

New!!: Hyades (star cluster) and 71 Tauri · See more »

90 Tauri

90 Tauri (90 Tau) is a star in the constellation Taurus.

New!!: Hyades (star cluster) and 90 Tauri · See more »

Redirects here:

Caldwell 41, Hyades (astronomy), Hyades cluster, Mel 25.


[1] https://en.wikipedia.org/wiki/Hyades_(star_cluster)

Hey! We are on Facebook now! »