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Topic: Virgo Supercluster


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M86
M31

In the News (Mon 17 Jun 19)

  
  Constellation Virgo
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.
www.seds.org /Maps/Stars_en/Fig/virgo.html   (628 words)

  
 The Virgo Cluster of Galaxies
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.
www.seds.org /messier/more/virgo.html   (0 words)

  
 The Local Supercluster   (Site not responding. Last check: 2007-10-15)
The Local Group is found on the outskirts of a larger structure dubbed the Local Supercluster which itself is flattened and is roughly centered on the Virgo Cluster.
This asymmetry occurs because the Local Group is located on the edge of the Local Supercluster.
Within the Local Supercluster, galaxies tend to be found in groups and clouds, with other regions being relatively empty.
astrosun2.astro.cornell.edu /academics/courses/astro201/lsc.htm   (266 words)

  
 Chandra :: Field Guide to X-ray Sources :: Virgo Cluster
Unlike the Coma Cluster, the Virgo cluster of galaxies is an "irregular" rich cluster.
Virgo's gravity is so strong that it pulls galaxies and groups of galaxies toward it.
The Virgo Cluster is so close to us that some galaxies in it have blue-shifts, meaning that they are moving towards us faster than the cluster is moving away.
chandra.harvard.edu /xray_sources/virgo   (404 words)

  
 Virgo Cluster   (Site not responding. Last check: 2007-10-15)
The 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.
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.
Successfully navigating the Virgo cluster is the biggest challenge in the Messier Catalogue, and is affectionately known as "Heartbreak Ridge" to marathoners.
www.astro-tom.com /messier/messier_files/virgo_cluster.htm   (1755 words)

  
 Heron Island Proceedings: Tonry: Section 2
Virgo Supercluster: TF TF distances are now used to show the region of the Virgo Supercluster.
Thus, the Virgo infall is obvious in the overall flow pattern, and doesn't depend on the precise velocity of the Virgo core at all.
This is the local quadrupole distortion of the velocity field, presumably imposed by the tides from distant masses external to the Virgo supercluster.
msowww.anu.edu.au /~heron/Tonry/tonry_p2.html   (979 words)

  
 Kids.net.au - Encyclopedia Galaxy formation and evolution -   (Site not responding. Last check: 2007-10-15)
In our epoch, large concentrations of galaxies (clusters and superclusters) are still assembling.
This is because of interactions with M33, a face on spiral galaxy not far from M31.
Eventually all three galaxies will be one giant elliptical galaxy, rushing to take its place in the Virgo Supercluster.
www.kidsseek.com /encyclopedia-wiki/ga/Galaxy_formation_and_evolution   (759 words)

  
 [No title]   (Site not responding. Last check: 2007-10-15)
Virgo is often depicted as a woman carrying a sheaf of wheat or barley in one hand and sometimes a palm branch or staff in the other.
Virgo is home to a supercluster of galaxies of which our home galaxy the "Milky Way" is a member.
Coma Berenices is lesser known than nearby Virgo and this is probably because she does not have any 1st magnitude stars and is not located along the Ecliptic, the Sun's yearly path, and thus lacks any astrological significance for the superstitious.
greenfield.fortunecity.com /panda/454/2000/sp200004.txt   (677 words)

  
 Astronomia - Cetin BAL - GSM:+90  05366063183 -Turkiye/Denizli
The supercluster is the last outpost before a space traveler would enter a nearly galaxy-free region called a cosmic void.
Formation of superclusters may be the next stage in a process that is shaping and forming fundamental units in the universe.
The fluctuation is subsequently enlarged by the inflation and served as a blue-print for the large scale structures such as the superclusters.
www.zamandayolculuk.com /cetinbal/kuantumfluctations.htm   (953 words)

  
 The Universe within 100 million Light Years - The Virgo Supercluster
This is a large spur of spiral galaxies on one side of the Virgo cluster stretching across 20 million light years of space.
The Virgo II groups are a long filament of galaxies extending southwards from the groups of galaxies at the southern edge of the Virgo cluster.
This is a map of the Virgo cluster - the nearest large cluster of galaxies.
www.atlasoftheuniverse.com /virgo.html   (0 words)

  
 supercluster concept from the Astronomy knowledge base   (Site not responding. Last check: 2007-10-15)
Local Supercluster (8 facts) (Virgo supercluster) - The supercluster to which the Local Group belongs.
It is shaped like a cigar, with the Virgo cluster of galaxies at its center and the Local Group near one end., A loosely knit assemblage of some 100 clusters of galaxies, including the Local Group., The supercluster of galaxies to which the Local Group may belong (see Virgo Supercluster).
The galaxies in this supercluster appear to be distributed in a long chain.
www.site.uottawa.ca:4321 /astronomy/supercluster.html   (206 words)

  
 Superclusters of Galaxies   (Site not responding. Last check: 2007-10-15)
All known rich clusters are parts of larger superclusters, suggesting that perhaps all galaxies belong to one supercluster or another, but this is not yet certain.
Other nearby superclusters include Perseus-Pisces at a distance of about 70 Mpc and Hydra-Centaurus, which is approximately 45 Mpc distant (with the constellations in the names giving the approximate location on the celestial sphere; thus, Perseus-Pisces lies partially in the constellation Perseus and partially in Pisces, as viewed from the Earth).
As we shall see, the Virgo Cluster at a distance of approximately 16 Mpc from us should, by the Hubble Law, be receding from us at a velocity of about 1100 km/s.
csep10.phys.utk.edu /astr162/lect/gclusters/superclusters.html   (365 words)

  
 Information Headquarters: Supercluster
Interspersed among these superclusters are large voids of space in which few galaxies exist.
No clusters of supercluters are known, but the existence of bigger structures than supercluster is debated.
It also contains the Virgo cluster near its center, and is sometimes called the Virgo Supercluster.
www.informationheadquarters.com /Universe/Supercluster.shtml   (340 words)

  
 Superclusters
Superclusters are typically seen as long and thin strands of clusters and galaxies, intracluster gases and, presumably, "dark matter" on a two dimensional surface.
These superclusters are not isolated in space but together with many other smaller concentrations of galaxies, they form parts of extensive walls of galaxies surrounding large voids.
The Virgo cluster itself contains thousands of galaxies including M87, which is known to surround a gigantic fl hole.
universe-review.ca /F03-supercluster.htm   (1920 words)

  
 Great Attractor
Indeed, the Milky Way, the Local Group, and the surrounding Virgo Supercluster, as well as the Hydra-Centaurus Supercluster, appear to be part (or at least "appendages") of the sheet of ordinary and dark matter that forms the Centaurus Wall.
The Great Attractor's core region appears to be dominated by the Norma Supercluster, a highly obscured, nearby, and massive group of galaxies close to the plane of the Milky Way (Woudt et al, 1999a and 1999b; Kraan-Korteweg et al, 1996; and Patrick Alan Woudt, 1998 PhD thesis).
Indeed, spectroscopic observations support the idea that the Norma Supercluster is the dominant component of a "Great Wall"-type of structure and is comparable in size, richness and mass similar to Coma in the northern part of the Great Wall (Woudt et al, 2000; and 1997).
www.solstation.com /x-objects/greatatt.htm   (660 words)

  
 An Atlas of The Universe
The local group of galaxies is just one of many centred around the massive Virgo Cluster.
Collectively, all of these groups and clusters form a unit known as the Virgo Supercluster shown here.
Although our knowledge of the large scale structure of the universe is incomplete, many large and small scale features are visible right out to the very edge of the visible universe.
www.ldps.ws /Mirror/Universe   (0 words)

  
 Messier Guide: Late Spring
The Virgo Cluster is notoriously difficult to navigate due to the scarcity of stars and the profusion of galaxies; it is probably the only area in the sky where it is common to hop from galaxy to galaxy rather than from star to star.
The Virgo Cluster is framed by two stars that should be readily visible even in the brightest skies: Denebola (Beta Leonis) on the west and Vindemiatrix (Epsilon Virginis) on the east, but both of those stars lie at considerable distance from any of the Messier galaxies.
In addition, one approaches the Virgo Cluster from the east starting with M60 and M59, which are relatively bright, whereas most of the galaxies near the western edge of the cluster are quite faint.
mysite.verizon.net /vze55p46/id17.html   (4558 words)

  
 What's Up in the Spring Night Sky   (Site not responding. Last check: 2007-10-15)
The constellation is Virgo and around mid-March, she begins to grace the southeastern sky in the northern hemisphere.
Virgo is the second largest constellation and is highest in the northern hemisphere during May and June.
The most outstanding feature of Virgo are the cluster of galaxies, the central cluster being the Virgo Supercluster located on the northern border of Virgo and reaching into the neighboring constellation of Coma Berenices.
www.mindspring.com /~stardancer/whatsup8.htm   (600 words)

  
 Roaming the Deep Sky #11
The bulk of the Virgo (for short) Supercluster lies between +70 and +80 degrees galactic longitude – quite near to the north galactic pole.
Fittingly, we are treated to a similar view when we train our telescopes on a group of galaxies near the center of the Virgo Cluster (and thus the Local Supercluster also) known as Markarian’s Chain (in the upper right corner of this DSS image).
M87, while not a member of Markarian’s Chain, is the brightest, as well as the gravitationally dominant, member of the Virgo Cluster – which lies at the core of the Local Supercluster.
home.insightbb.com /~lasweb/lessons/RDS11-MarkariansChain.htm   (1260 words)

  
 Heron Island Proceedings: Tonry: Section 3
When the velocities are progressively corrected for the effect of Virgo infall (measured in terms of its amplitude at the Local Group) we see that (a) the scatter diminishes, (b) the Hubble constant increases, and (c) the points near Virgo come into agreement with the distant points.
The motivation is that we certainly don't expect Virgo infall, even modified by an external quadrupole, to perfectly describe the flow field even restricted to within 25 Mpc.
On the other hand, there is a lot of covariance between H0 and vin, and unless we include a significant tie to galaxies well beyond the Virgo supercluster we run the risk of incurring substantial, correlated errors in H0 and vin.
msowww.anu.edu.au /~heron/Tonry/tonry_p3.html   (787 words)

  
 Virgotext   (Site not responding. Last check: 2007-10-15)
Many of Virgo's giant ellipticals are curiously located at the center of the cluster supporting the belief that elliptical types are the end result of intergalactic collisions and mergers.
The Virgo galaxies have played a key role in defining the so called "Hubble constant" which defines the expansion rate of the universe.
In 1994 the HST studied "Cepheid Variable" stars in M100 to establish with high precision the distance to that galaxy, the brightest member of the Virgo cluster.
www.robgendlerastropics.com /Virgotext.html   (503 words)

  
 Internet Archive: Details: the Great Attractor
The "local group" belongs to the Virgo supercluster of galaxies.
The Virgo supercluster is about 200 million light years in diameter.
The Great attractor is a "gravitational anomaly" somewhere in the Virgo supercluster, pulling the other galaxy groups towards the Hydra and Centaurus constellations.
www.archive.org /details/the_Great_Attractor   (134 words)

  
 Virgoeng.html
The musical reflections about light and shade, birth, life and death or origins and space are neither hectic nor fussy; the contributions of the 13 soloists (guest: trumpeter Ingrid Jensen) are exemplary.
As conceded earlier, "Virgo Supercluster" is decidedly cutting-edge and may not be everyoneís cup of tea.
On the other hand, it is as deliciously seasoned and easy to swallow as such music can be, and those who consume each of its seven courses should find their craving for solid music that assuages oneís appetite more than amply rewarded.
www.unitedwomensorchestra.com /english/Virgoeng.html   (0 words)

  
 Superclusters   (Site not responding. Last check: 2007-10-15)
A supercluster is an aggregate of several clusters of galaxies, extending over about 10 Mpc.
Our local supercluster is an extended distribution of galaxies centered on the Virgo cluster, some 10-20 Mpc distant, and our Milky Way galaxy together with the Andromeda galaxy forms a small group (the Local Group) that is an outlying member of the Virgo Supercluster.
The mass between us and Virgo tends to decelerate the recession of our galaxy, as expected according to Hubble's law by about ten percent.
cosmology.berkeley.edu /Education/Essays/superclusters.html   (146 words)

  
 Local Supercluster concept from the Astronomy knowledge base   (Site not responding. Last check: 2007-10-15)
has definition The supercluster to which the Local Group belongs.
It is shaped like a cigar, with the Virgo cluster of galaxies at its center and the Local Group near one end.
has definition The supercluster of galaxies to which the Local Group may belong (see Virgo Supercluster).
www.site.uottawa.ca:4321 /astronomy/LocalSupercluster.html   (130 words)

  
 Sky DEN -- Clusters, Superclusters and Beyond
The Virgo Cluster is a rich but irregular cluster with more than 1,000 galaxies.
The supercluster typically has a dimension of hundreds of millions of light years and contains tens of thousands of galaxies.
The supercluster we are in is called the Local Supercluster or the Virgo Supercluster.
www.actden.com /sky_den/cluster.htm   (758 words)

  
 Cosmic Distance Scales -The Local Supercluster   (Site not responding. Last check: 2007-10-15)
It is the proximity of some 50 nearby small groups of galaxies to the Virgo cluster that suggests that they all form an enormous flattened cluster of clusters; we call it the Local Supercluster.
The Local Supercluster is actually centered on the Virgo Cluster of galaxies, which is why the Local Supercluster is sometimes called the Virgo or Coma-Virgo Supercluster.
The Local Group, which is near one edge of the Local Supercluster, appears to be revolving around its center at about 400 km/s.
heasarc.gsfc.nasa.gov /docs/cosmic/local_supercluster_info.html   (695 words)

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