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Virgo Cluster Reference Libraries

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Virgo Cluster
2010-09-16 15:18:29

The Virgo Cluster consists of galaxies at a distance of around 59 Mly away in the constellation Virgo. Containing between 1300 to 2000 galaxies the Virgo Cluster is the heart of the Local Supercluster. Its mass is estimated at 1.2 × 1015 M☉ out to 8 degrees of the cluster's center or a radius of about 2.2 Mpc. Most of the brighter galaxies in the cluster were discovered by Charles...

Coma Cluster
2010-09-13 16:56:08

The Coma Cluster (Abell 1656), along with the Leo Cluster, is one of two major clusters compromising the Coma Supercluster. It contains over 1000 identified galaxies. Most of the galaxies in the center of the Coma Cluster are elliptical galaxies including both dwarf and giant. However the center is dominated by NGC 4874 and NGC 4889, two giant elliptical galaxies. The brightest galaxies are...

Markarians Chain
2010-09-08 16:10:01

Markarian's Chain is a stretch of galaxies forming part of the Virgo Cluster. The galaxies get their name because when viewed from earth they form a curved line. The other part of the name comes from the Armenian astrophysicist, B. E. Markarian. Markarian discovered their common proper motion in the mid 1970s. Member galaxies include M84 (NGC 4374), M86 (NGC 4406), NGC 4477, NGC 4473, NGC 4461,...

Virgo Cluster of Galaxies
2004-10-19 04:45:40

Virgo Cluster of Galaxies -- This giant agglomeration of galaxies is the nearest big cluster of galaxies, the largest proven structure in our intergalactic neighborhood, and the most remote cosmic objects with a physical connection to our own small group of galaxies, the Local Group, including our Milky Way galaxy. This structure is another discovery by Charles Messier, who noted behind his...

Virgo A Galaxy M87
2004-10-19 04:45:40

Virgo A Galaxy -- Discovered 1781 by Charles Messier. The giant elliptical galaxy M87, also called Virgo A, is one of the most remarkable objects in the sky. It is perhaps the dominant galaxy in the closest big cluster to us, the famous Virgo Cluster of galaxies (sometimes also called "Coma-Virgo cluster" which is more acurate, as it extends into constellation Coma), and lies at the...

Word of the Day
dingle
  • A small wooded valley; a dell.
  • The protecting weather-shed built around the entrance to a house.
  • The roofed-over space between the kitchen and the sleeping-quarters in a logging-camp, commonly used as a storeroom.
The word 'dingle' comes from Middle English dell, hollow.
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