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  2. List of galaxy groups and clusters - Wikipedia

    en.wikipedia.org/wiki/List_of_galaxy_groups_and...

    The second most massive galaxy cluster next to El Gordo is RCS2 J2327, a galaxy cluster with the mass of 2 quadrillion suns. Also has a systematic designation of ACT-CL J0102-4915. [6] [7] [8] Musket Ball Cluster: Named in comparison to the Bullet Cluster, as this one is older and slower galaxy cluster merger than the Bullet Cluster.

  3. List of Abell clusters - Wikipedia

    en.wikipedia.org/wiki/List_of_Abell_clusters

    Shapley 17 Cluster: 03 h 42 m 39.6 s: −53° 37′ 50″ 2 I-II 3192: MCS/MACS J0358.8-2955 Eridanus: Comprises such a huge amount of mass that the galaxy cluster noticeably curves spacetime around it, making it into a gravitational lens. Smaller galaxies behind the cluster appear distorted into long, warped arcs around the cluster’s edges ...

  4. RCS2 J2327 - Wikipedia

    en.wikipedia.org/wiki/RCS2_J2327

    RCS2 J2327 (also identified as RCS2 J2327-0204) is an extremely massive galaxy cluster.It is located approximately 6.4 billion light-years away in the constellation of Pisces, [2] thus making it one of the farthest clusters away from Earth.

  5. Galaxy groups and clusters - Wikipedia

    en.wikipedia.org/wiki/Galaxy_groups_and_clusters

    MACS J0152.5-2852 is a massive galaxy cluster. Almost every pixel seen in the image is a galaxy, each containing billions of stars. [1]Galaxy groups and clusters are the largest known gravitationally bound objects to have arisen thus far in the process of cosmic structure formation. [2]

  6. Galaxy cluster - Wikipedia

    en.wikipedia.org/wiki/Galaxy_cluster

    Composite image of five galaxies clustered together just 600 million years after the Universe's birth [1]. A galaxy cluster, or a cluster of galaxies, is a structure that consists of anywhere from hundreds to thousands of galaxies that are bound together by gravity, [1] with typical masses ranging from 10 14 to 10 15 solar masses.

  7. Abell 1689 - Wikipedia

    en.wikipedia.org/wiki/Abell_1689

    Abell 1689 is one of the biggest and most massive galaxy clusters known and acts as a gravitational lens, distorting the images of galaxies that lie behind it. [4] It has the largest system of gravitational arcs ever found. [5] Abell 1689 shows over 160,000 globular clusters, the largest population ever found. [6]

  8. SDSS J1038+4849 - Wikipedia

    en.wikipedia.org/wiki/SDSS_J1038+4849

    SDSS J1038+4849 is a galaxy cluster 4.5 billion light-years away in the constellation Ursa Major, famous for its appearance as a smiley face. The yellow eyes and white nose are distant galaxies, while the smile and border are caused by gravitational lensing .

  9. Abell 262 - Wikipedia

    en.wikipedia.org/wiki/Abell_262

    Abell 262 is a galaxy cluster in the Abell catalogue. It is part of the Perseus–Pisces Supercluster , one of the largest known structures in the universe. [ 4 ] Although its central galaxy, NGC 708 , is a giant cD galaxy , most of its bright galaxies are spirals , which is unusual for a galaxy cluster. [ 4 ]