Astrophysics

    

The Universe of Photons: a Provocation?

Authors: Giuseppe Cimino

Considering the presence of the cosmic background radiation, using the density of 400 photons per cm³, it is imagined that it is possible that a high-energy photon collides with a photon in the microwave background, giving rise to a mass that, on a large scale, produces effects gravitational. Taking into account the average density of dark matter (e.g. in the Milky Way), the order of magnitude of the collisions that can guarantee the formation of a photon-photon collision mass (with gravitational effects) is evaluated. This eventuality is an alternative idea to dark matter. In addition to the Milky Way, we consider the galaxy M31 as an example.

Comments: 3 Pages.

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[v1] 2022-06-18 23:32:58

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