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Is the cosmic colossus RCS2J2327 heavier than allowed?

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Is the cosmic colossus RCS2J2327 heavier than allowed?

Post by Dragon on Fri Jan 19, 2018 7:12 pm

An international team of scientists led by researchers from the Argelander Institute for Astronomy has mapped the mass distribution in a distant galaxy cluster (RCS2J2327). This cosmic colossus is located in the constellation Pisces at a distance of approximately 6.4 billion light years. According to current research results it consists of about 85 percent invisible dark matter.

In the center of the image many orange colored galaxies can be seen, which are members of the cluster. In addition, several long arcs are visible. These images of background galaxies have been strongly distorted by gravitational lensing. This effect is similar to that of an optical lens and describes the deflection of light rays in the gravitational field of massive foreground objects. Researchers mapped the resulting image distortion in different parts of the cluster, which allowed them to reconstruct the distribution of the invisible dark matter.

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Re: Is the cosmic colossus RCS2J2327 heavier than allowed?

Post by Dragon on Fri Jan 19, 2018 7:13 pm



HAWK-I and Hubble Explore a Cluster with the Mass of two Quadrillion Suns

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Re: Is the cosmic colossus RCS2J2327 heavier than allowed?

Post by Dragon on Fri Jan 19, 2018 7:14 pm



Galaxy Cluster RCS2 J2327

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Re: Is the cosmic colossus RCS2J2327 heavier than allowed?

Post by Dragon on Fri Jan 19, 2018 7:15 pm



According to the results of the study, the mass of this cosmic colossus amounts to about two quadrillion times the mass of the Sun.

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Re: Is the cosmic colossus RCS2J2327 heavier than allowed?

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