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physical object > natural object > celestial body > collection of stars > collection of galaxies > galaxy cluster > rich cluster |
rich cluster comparison table |
Subject | has number of galaxie | has member | is part of | has wavelength | has redshift | is an instance of | has diameter | has synonym | has mass | has definition | has distance |
---|---|---|---|---|---|---|---|---|---|---|---|
Coma cluster | 1000 | celestial sphere | X-ray | z = 0.023 | X-ray source | 10 million light years | Abell 1656 | 4 × 1014 Msun (luminous matter) | The nearest massive cluster of galaxies. A symmetric cluster with primarily E and S0 galaxies. Luminous mass 4 × 1014 Msun = 8 × 1047 g; virial theorem mass about 5 × 1048 g; mass needed to bind the cluster about 4 × 1049 g. R ≈ 9 × 1024 cm. | 300 million light years | |
Virgo cluster | 2500 | M87 | Local Supercluster | z = 0.004 | rich cluster | 1 Mpc | An irregular cluster including the giant elliptical M87 (the galaxy of greatest known mass). |
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