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Self-Interacting Dark Matter Helps Explain Formation of Dark-Matter-Deficient Galaxies | Astronomy, Physics – Sci-News.com
The so-called self-interacting dark matter theory helps explain why NGC 1052-DF2 and NGC 1052-DF4, a pair of ultra-diffuse galaxies located approximately 65 million light-years away the constellation of Cetus, contain little dark matter.
The so-called self-interacting dark matter theory helps explain why NGC 1052-DF2 and NGC 1052-DF4, a pair of ultra-diffuse galaxies located approximately 65 million light-years away the constellation of Cetus, contain little dark matter.
The NASA/ESA Hubble Space Telescope took this image of NGC 1052-DF2 on November 16, 2017. Image credit: NASA / ESA / P. van Dokkum, Yale University.
The prevailing dark matter theory, known as cold dark matter, or CDM, assumes dark matter particles are collisi…
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