Matière noire et (ou) gravitation modifiée : une approche historique et épistémologique
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arXiv
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| Format: | Preprint |
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2026
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| _version_ | 1866912818825003008 |
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| author | Famaey, Benoit Freundlich, Jonathan |
| author_facet | Famaey, Benoit Freundlich, Jonathan |
| contents | The current standard model of cosmology assumes that the majority of matter in the Universe is made of dark matter, and that the latter is fundamentally different from ordinary matter. Dark matter can in principle explain the rotation of galaxies, the gravitational lensing from galaxy clusters or the appearance of the cosmic microwave background, the oldest light in the Universe. But does dark matter really exist? Here, we review the history of this concept and its implications for the formation and evolution of galaxies. We also consider the questions that remain, the limitations of the model, and present alternative theories, in particular modifications to the gravitional law that would -- perhaps -- make it possible to do without it. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2601_06592 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Matière noire et (ou) gravitation modifiée : une approche historique et épistémologique Famaey, Benoit Freundlich, Jonathan Popular Physics Cosmology and Nongalactic Astrophysics Astrophysics of Galaxies General Relativity and Quantum Cosmology History and Philosophy of Physics The current standard model of cosmology assumes that the majority of matter in the Universe is made of dark matter, and that the latter is fundamentally different from ordinary matter. Dark matter can in principle explain the rotation of galaxies, the gravitational lensing from galaxy clusters or the appearance of the cosmic microwave background, the oldest light in the Universe. But does dark matter really exist? Here, we review the history of this concept and its implications for the formation and evolution of galaxies. We also consider the questions that remain, the limitations of the model, and present alternative theories, in particular modifications to the gravitional law that would -- perhaps -- make it possible to do without it. |
| title | Matière noire et (ou) gravitation modifiée : une approche historique et épistémologique |
| topic | Popular Physics Cosmology and Nongalactic Astrophysics Astrophysics of Galaxies General Relativity and Quantum Cosmology History and Philosophy of Physics |
| url | https://arxiv.org/abs/2601.06592 |