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Encyclopedia > Virgo Supercluster
The Virgo Supercluster
The Virgo Supercluster

The Virgo Supercluster or Local Supercluster is the galactic supercluster that contains the Local Group, the latter which, in its turn, contains the Milky Way and Andromeda galaxies. Image File history File links Local_supercluster. ... Image File history File links Local_supercluster. ... NGC 4414, a typical spiral galaxy in the constellation Coma Berenices, is about 56,000 light-years in diameter and approximately 60 million light-years distant. ... Superclusters are large groupings of smaller galaxy groups and clusters, and are among the largest structures of the cosmos. ... A member of the Local Group of galaxies, irregular galaxy Sextans A is 4. ... The Milky Way (a translation of the Latin Via Lactea, in turn derived from the Greek Γαλαξίας (Galaxias), sometimes referred to simply as the Galaxy), is a barred spiral galaxy of the Local Group. ... M31 in a small telescope The Andromeda Galaxy (IPA: , also known as Messier 31, M31, or NGC 224; older texts often called it the Andromeda Nebula) is a spiral galaxy approximately 2. ...

Contents

Disk and halo

The Supercluster consists of two components: disk component and halo component. The flattened disk component has a pancake-like shape, and contains 60% of the Virgo Supercluster's luminous galaxies. The halo component consists of many elongated objects, and contains 40% of the Virgo Supercluster's luminous galaxies.


Diameter

The diameter of the Supercluster is about 200 million light years; it contains about 100 groups and clusters of galaxies and is dominated by the Virgo cluster near its center. Our Local Group is located near the edge and is being drawn inward toward the Virgo cluster. (Redirected from 1 E24 m) Categories: Orders of magnitude (length) ... A light-year or lightyear, symbol ly, is a unit of length. ... Galaxy groups and clusters are super-structures in the spread of galaxies of the cosmos. ... A sky field near some of the brighter galaxies in the Virgo cluster. ...


Mass

By tracking its gravitational effect on the movement of galaxies, one can estimate that the total mass of the Virgo Supercluster is about 1015 solar masses (2 × 1046 kg; see Orders of magnitude (mass)). As its luminosity is far too small for this number of stars, it is thought that a large part of its mass is dark matter. In astronomy, the solar mass is a unit of mass used to express the mass of stars and larger objects such as galaxies. ... The U.S. National Prototype Kilogram, which currently serves as the primary standard for measuring mass in the U.S. It was assigned to the United States in 1889 and is periodically recertified and traceable to the primary international standard, The Kilogram, held at the Bureau International des Poids et... Category: ... Dark matter is a term used in astrophysics to refer to that component of the universe that is unaccounted for, unexplained or inconclusively explained, and whose existence at this time is only inferred. ...


The entire Virgo Supercluster is being pulled toward a gravitational anomaly known as the Great Attractor, which lies near the Norma cluster. An image taken by the European Southern Observatory looking in the direction of the Great Attractor. ... The Norma Cluster (ACO 3627 or Abell 3627) (galactic coordinates: (325°,−7°)) is a rich cluster of galaxies, lying near the center of the Great Attractor. ...


Divisions

The Virgo Supercluster is subdivided into groups of clusters called galaxy clouds. Three clouds are on the disk component: Virgo cluster, Canes Venaciti Cloud and Virgo II Cloud. The halo consists of many elongated clouds pointing toward the Virgo Cluster. Wikipedia does not yet have an article with this exact name. ...


References

  • Brent Tully: The Local Supercluster, Astrophys. J., vol. 257, pp. 389-422 (1982)

External links

  • The Virgo Supercluster from An Atlas of the Universe

See also

The Milky Way
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Galactic Core: Center of the Milky Way
Spiral Arms: Carina Arm | Crux Arm | Cygnus Arm | Norma Arm | Orion Arm | Perseus Arm | Sagittarius Arm | Scutum Arm
Location: Universe | Virgo Supercluster | Local Group
Satellite galaxies: Boötes Dwarf | Canes Venatici Dwarf | Canis Major Dwarf Galaxy | Carina Dwarf | Draco Dwarf | Fornax Dwarf | Large Magellanic Cloud | Leo I | Leo II | Sag DEG | Sculptor Dwarf Galaxy | Sextans Dwarf | Small Magellanic Cloud | Ursa Major Dwarf | Ursa Minor Dwarf | Virgo Stellar Stream Astronomy and cosmology examine the universe to understand the large-scale structure of the cosmos. ... Extragalactic astronomy is the branch of astronomy concerned with objects outside our own Milky Way Galaxy (the study of all astronomical objects which are not covered by galactic astronomy). ... The Milky Way (a translation of the Latin Via Lactea, in turn derived from the Greek Γαλαξίας (Galaxias), sometimes referred to simply as the Galaxy), is a barred spiral galaxy of the Local Group. ... Image File history File links Download high resolution version (1350x1350, 954 KB)Barred Spiral Milky Way Illustration Credit: R. Hurt (SSC), JPL-Caltech, NASA From http://apod. ... The Galactic Center is the rotational center of the Milky Way galaxy. ... The Sagittarius Arm or Sagittarius-Carina Arm (labeled -I) is one of two major spiral arms of the Milky Way galaxy, along with the Cygnus Arm. ... The Scutum-Crux Arm or Centaurus Arm is a spiral arm of the Milky Way galaxy. ... Diagram of the Milky Ways spiral arms. ... The Norma Arm or 3-kpc Arm is an inner spiral arm at the center of the Milky Way galaxy. ... Observed structure of the Milky Ways spiral arms The Orion Arm or Local Arm (labeled 0) is a minor, spiral arm of the Milky Way galaxy. ... The Perseus Arm (labeled +I) is a spiral arm of the Milky Way galaxy with a radius of 10. ... The Sagittarius Arm or Sagittarius-Carina Arm (labeled -I) is one of two major spiral arms of the Milky Way galaxy, along with the Cygnus Arm. ... The Scutum-Crux Arm or Centaurus Arm is a spiral arm of the Milky Way galaxy. ... Universe is a word derived from the Old French univers, which in turn comes form the Latin roots unus (one) and versus (a form of vertere, to turn). Physicists concept of the Universe is motivated[] by the attempt to describe the whole of space-time, including all matter and energy... A member of the Local Group of galaxies, irregular galaxy Sextans A is 4. ... Category: ... The Boötes Dwarf Galaxy (Boo dSph) is the faintest galaxy yet discovered, as of 2006, with a total luminosity of 100,000 Suns, and an absolute magnitude of -5. ... The Canes Venatici Dwarf Galaxy (CVn dSph) is the most distant satellite galaxy of the Milky Way as of 2006. ... The Canis Major Dwarf Galaxy is located in the same part of the sky as the constellation of Canis Major. ... The Carina Dwarf is a dwarf galaxy in the Carina constellation. ... The Draco Dwarf galaxy was discovered by Albert G. Wilson of Lowell Observatory in 1954. ... The Fornax Dwarf is a dwarf galaxy in the constellation Fornax that was discovered in 1938 by Harlow Shapley. ... The Large Magellanic Cloud (LMC for short) is a dwarf galaxy that orbits our own galaxy, the Milky Way. ... Leo I is a dwarf spheroidal galaxy in the constellation Leo. ... Leo II (or Leo B) is an dwarf spheroidal galaxy of the Local Group, in the constellation of Leo. ... The Sagittarius Dwarf Elliptical Galaxy (Sag DEG) is a satellite galaxy of the Milky Way Galaxy. ... for SDIG, see Sculptor Dwarf Irregular Galaxy The Sculptor Dwarf Galaxy (also called E351-G30, PGC 3589, A0058, Sculptor Dwarf Spheroidal Galaxy) is a dwarf spheroidal galaxy in the Local Group that is a satellite of the Milky Way in the direction of the constellation of Sculptor. ... It has been suggested that this article or section be merged with Sextans A. (Discuss) The Sextans Dwarf Spheroidal is a dwarf spheroidal galaxy that was discovered in 1990 by Mike Irwin, M.T. Bridgeland, P.S. Bunclark and R.G. McMahon as the 8th satellite of the Milky Way... The Small Magellanic Cloud (SMC for short) is a dwarf galaxy in orbit around the Milky Way Galaxy. ... Ursa Major Dwarf is a dwarf spheroidal galaxy orbiting the Milky Way galaxy. ... The Ursa Minor Dwarf dwarf galaxy was discovered by A.G. Wilson of the Lowell Observatory in 1954. ... The Virgo Stellar Stream (or Virgo Overdensity) is the proposed name for a stream of stars in the constellation of Virgo which was discovered in 2005. ...

v • d • e
Earth's location in space

Earth · Solar System · Local Interstellar Cloud · Local Bubble · Orion Arm · Milky Way · Local Group · Virgo Supercluster · Observable universe · Universe Adjectives: Terrestrial, Terran, Telluric, Tellurian, Earthly Atmosphere Surface pressure: 101. ... Space has been an interest for philosophers and scientists for much of human history. ... Adjectives: Terrestrial, Terran, Telluric, Tellurian, Earthly Atmosphere Surface pressure: 101. ... Major features of the Solar System (not to scale, from left to right): Pluto, Neptune, Uranus, Saturn, a comet, Jupiter, Ceres which lies in the asteroid belt, the Sun, Mercury, Venus, Earth & Moon, and Mars. ... The Local Interstellar Cloud is the interstellar cloud that our solar system is currently moving through. ... The Local Bubble is a cavity in the local interstellar medium (ISM) at least 300 light years across containing a neutral hydrogen density that is approximately one tenth of that of the average ISM in the Milky Way (approximately 0. ... Observed structure of the Milky Ways spiral arms The Orion Arm or Local Arm (labeled 0) is a minor, spiral arm of the Milky Way galaxy. ... The Milky Way (a translation of the Latin Via Lactea, in turn derived from the Greek Γαλαξίας (Galaxias), sometimes referred to simply as the Galaxy), is a barred spiral galaxy of the Local Group. ... A member of the Local Group of galaxies, irregular galaxy Sextans A is 4. ... The observable Universe is a term used in cosmology to describe a ball-shaped region of space surrounding the Earth that is close enough that we might observe objects in it. ... Universe is a word derived from the Old French univers, which in turn comes form the Latin roots unus (one) and versus (a form of vertere, to turn). Physicists concept of the Universe is motivated[] by the attempt to describe the whole of space-time, including all matter and energy...


  Results from FactBites:
 
Constellation Virgo (628 words)
Virgo is the 6th sign of the zodiac; the sun passes through this constellation from late september to the end of october.
The most outstanding Virgo Supercluster of galaxies is located on the northern border of Virgo reaching into the neighbouring constellation of Coma Berenices.
In various legends Virgo represents the goddess of justice or the goddess of the harvest.
The Virgo Cluster of Galaxies (0 words)
The Virgo Cluster with its some 2000 member galaxies dominates our intergalactic neighborhood, as it represents the physical center of our Local Supercluster (also called Virgo or Coma-Virgo Supercluster), and influences all the galaxies and galaxy groups by the gravitational attraction of its enormous mass.
The Virgo cluster is close enough that some of its galaxies, which happen to move fast through the cluster in our direction, exhibit the highest blue-shifts (instead of cosmological redshifts) measured for any galaxies, i.e.
Our image shows the central portion of the Virgo Cluster of Galaxies, and is centered on the giant elliptical galaxy M87 which is considered to be the dominant galaxy of the whole giant cluster, situated close to its physical center.
  More results at FactBites »


 

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