Dark Matter And Dark Energy

Jacquart, Melissa

doi:10.4324/9781315623818-68

Cited by 4 publications

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“…Examples of such phenomena are the mass discrepancies in the Coma cluster and the flat rotation curves of nearby galaxies. For a recent review of the observational evidence for dark matter and dark energy based on dark phenomena, see Jacquart (2021a).…”

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confidence: 99%

Robustness and Dark-Matter Observation

Antoniou

2023

Philos. sci.

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Current cosmological observations place little constraints on the nature of dark matter, allowing the development of a large number of models and various methods for probing their properties, which seem to provide ideal grounds for the employment of robustness arguments. In this article, the extent to which such arguments can be used to overcome various methodological and theoretical challenges is examined. The conclusion is that while robustness arguments have a limited scope in the context of dark matter research, they can still be used for increasing the scientists’ confidence about the properties of specific models.

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confidence: 99%

Robustness and Dark-Matter Observation

Antoniou

2023

Philos. sci.

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“…The existing philosophical literature (e.g Butterfield (2014),Jacquart (2022),Koberinski et al (2023), andLahav andMassimi (2014)…”

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The Virtues of Pursuit-Worthy Speculation: The Promises of Cosmic Inflation

Wolf,

Duerr

2023

The British Journal for the Philosophy of Science

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The paper argues that we ought to conceive of the Dark Energy problem-the question of how to account for observational data, naturally interpreted as accelerated expansion of the universe-as a crisis of underdetermined pursuitworthiness. Not only are the various approaches to the Dark Energy problem evidentially underdetermined; at present, no compelling reasons single out any of them as more likely to be true than the other. More vexingly for working scientists, none of the approaches stands out as uncontroversially preferable over its rivals in terms of its rationally warranted promise, i.e. the reasons to further work on, explore and develop it. We demonstrate this claim by applying a Peircean economic model of pursuit-worthiness in terms of a cognitive cost/benefit estimate-with the instantiation of theory virtues as key indicators of cognitive gains-to the four main Dark Energy proposals (the cosmological constant approach, modified gravity, quintessence, and inhomogeneous cosmologies). Our analysis yields that these approaches do not admit of an unambiguous, or uncontroversial, ranking with respect to which ansatz deserves distinguished attention and research efforts. The overall methodological counsel that our analysis underwrites recommends a pragmatic double research strategy forward: to encourage and foster theory pluralism and the search for tests-with the goal of enhancing the testability of the ΛCDM model and "testing it to destruction".

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Extragalactic Reality Revisited: Astrophysics and Entity Realism

Allzén

2023

Synthese Library

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Astrophysics is a scientific field with a rich ontology of individual processes and general phenomena that occur in our universe. Despite its central role in our understanding of the physics of the universe, astrophysics has largely been ignored in the debate on scientific realism. As a notable exception, Hacking (Philos Sci 56(4):555–581, 1989) argues that the lack of experiments in astrophysics forces us to be anti-realist with respect to the entities which astrophysics claim inhabit the universe. In this paper, I investigate the viability of astrophysical realism about black holes, given other formulations of entity realism, specifically Cartwright’s (How the Laws of Physics Lie. Oxford University Press, 1983), and Chakravartty’s (A Metaphysics for Scientific Realism: Knowing the Unobervable. Cambridge University Press, 2007) versions of entity realism. I argue that on these accounts of entity realism, you cannot be a realist with respect to black holes, and likewise, if you want to be a realist about black holes, you cannot be an entity realist of these particular strands.

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Dark Matter And Dark Energy

Cited by 4 publications

References 0 publications

Robustness and Dark-Matter Observation

Robustness and Dark-Matter Observation

The Virtues of Pursuit-Worthy Speculation: The Promises of Cosmic Inflation

Extragalactic Reality Revisited: Astrophysics and Entity Realism

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