Can dark matter interact with itself?
Keywords:Dark Matter, galaxy clusters, x-rays, astrophysics, cosmology
Dark matter, the “glue” that holds our Universe bound, remains a mystery. A key question to understand its nature is whether dark matter particles can interact with each other in more ways than only through gravity. Using X-ray data of galaxy clusters, scientists revealed whether self-interacting dark matter could be the answer to one of the unsolved problems in cosmology.
Original article reference
Eckert, D., Ettori, S., Robertson, A., Massey, R., Pointecouteau, E., Harvey, D., & McCarthy, I. G. (2022). Constraints on dark matter self-interaction from the internal density profiles of X-COP galaxy clusters. Astronomy & Astrophysics, 666, A41. https://doi.org/10.1051/0004-6361/202243205
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