ngc 4889

The diameter of the black hole's immense event horizon is about 20 to 124 billion kilometers, 2 to 12 times the diameter of Pluto's orbit. But the time when NGC 4889’s black hole was swallowing stars and devouring dust is past. The mass-luminosity relationship, however, predicted much smaller black holes for NGC 4889, NGC 3842 (the other record breaker), and M87. NGC 4889 lies at the center of the component A of the Coma Cluster, a giant cluster of 2,000 galaxies which it shares with NGC 4874, although NGC 4889 is sometimes referred as the cluster center, and it has been called by its other designation A1656-BCG.

Momentan ist das supermassereiche Schwarze Loch in NGC 4889 sehr friedlich:

When galactic material — such as gas, dust and other debris — slowly fell inwards towards the black hole, it accumulated and formed an accretion disc.


ESA/Hubble, Public Information Officer Did you find what you were looking for on this site? hier um das Schwarze Loch bewegt. Der deutschsprachige Onlinedienst für Astronomie, Astrophysik und Raumfahrt, Riesengalaxie mit gewaltigem Schwarzen Loch. There is now little dust remaining to form the diffuse nebulae where new stars are created, so the stellar population is dominated by old, population II stars that contain relatively low abundances of elements other than hydrogen and helium. In 1888 the astronomer John Louis Emil Dreyer published the New General Catalogue of Nebulae and Clusters of Stars (NGC), with a total of 7,840 objects, but he erroneously duplicated the galaxy in two designations, NGC 4884 and NGC 4889.
One of the new entries was almost 10 billion times the Sun's mass, while the other, in the core of NGC 4889, was at least twice that massive, with the betting centering on about 21 billion times the Sun's mass. The placid appearance of NGC 4889 can fool the unsuspecting observer. Die elliptische Riesengalaxie NGC 4889 befindet sich rund 300 Millionen Lichtjahre von der Erde entfernt im Sternbild Haar der Berenike (lateinisch Coma Berenices) und ist Teil des Coma-Galaxienhaufens.Es ist die größte und hellste Galaxie auf der gestern von der europäischen Weltraumagentur ESA veröffentlichten Aufnahme. Mathias Jäger Berenices) und ist Teil des Coma-Galaxienhaufens. Ereignishorizont ist praktisch die "Oberfläche" eines Schwarzen Lochs Es ist die größte und hellste Planetenentstehung: Ein Bodyguard für Gesteinsplaneten?

Tel: +49 176 62397500 Carbon and nitrogen are being continuously supplied by intermediate mass stars as they pass through the asymptotic giant branch. It can be traced by following the line from Beta Comae Berenices to Gamma Comae Berenices. However, as for elliptical galaxies, only a small fraction of the mass of NGC 4889 is in the form of stars that radiate energy. Das zentrale Schwarze Loch unserer Sonne entspricht. The accretion disc sustained the supermassive black hole’s appetite until the nearby supply of galactic material was exhausted. The closer astronomers can see into the galaxy's center, the more accurate their measurement of the black hole's mass. Juli 2019 um 10:50 Uhr bearbeitet. Astronomers believe that the gigantic black hole has stopped feeding, and is currently resting after feasting on NGC 4889’s cosmic cuisine.

It was then decided that the object would be called by its latter designation, NGC 4889, which is in use today.

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