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ΛCDM and MOND: A Debate about Models or Theory?

Jacquart, Melissa (2021) ΛCDM and MOND: A Debate about Models or Theory? [Preprint]

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Abstract

The debate between ΛCDM and MOND is often cast in terms of competing gravitational theories. However, recent philosophical discussion suggests that the ΛCDM–MOND debate demonstrates the challenges of multiscale modeling in the context of cosmological scales. I extend this discussion and explore what happens when the debate is thought to be about modeling rather than about theory, offering a model-focused interpretation of the ΛCDM–MOND debate. This analysis shows how a model-focused interpretation of the debate provides a better understanding of challenges associated with extension to a different scale or domain, which are tied to commitments about explanatory fit.


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Item Type: Preprint
Creators:
CreatorsEmailORCID
Jacquart, Melissamelissajacquart@gmail.com0000-0003-2144-1588
Keywords: Massimi 2018 Multi-scale modeling Modeling MOND ΛCDM Explanation
Subjects: Specific Sciences > Physics > Astrophysics
Specific Sciences > Physics > Cosmology
General Issues > Explanation
General Issues > History of Philosophy of Science
General Issues > Models and Idealization
General Issues > Philosophers of Science
Specific Sciences > Physics > Relativity Theory
General Issues > Theory/Observation
Depositing User: Melissa Jacquart
Date Deposited: 22 Sep 2021 04:19
Last Modified: 22 Sep 2021 04:19
Item ID: 19604
DOI or Unique Handle: https://doi.org/10.1016/j.shpsa.2021.07.001
Subjects: Specific Sciences > Physics > Astrophysics
Specific Sciences > Physics > Cosmology
General Issues > Explanation
General Issues > History of Philosophy of Science
General Issues > Models and Idealization
General Issues > Philosophers of Science
Specific Sciences > Physics > Relativity Theory
General Issues > Theory/Observation
Date: September 2021
URI: http://philsci-archive.pitt.edu/id/eprint/19604

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