PSA2016: The 25th Biennial Meeting of the Philosophy of Science Association

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Observing the Invisible

While dark matter is believed to ring all luminous galaxies in gigantic halos, this only accounts for a fraction of the dark matter in the universe as a whole. New collaborative work between astronomers and philosophers attempts to search for some of this “missing” dark matter, investigating the astonishing hypothesis that some of it resides in dark galaxies. This raises many questions concerning epistemic warrant. Especially salient are questions that ask how scientists can blend observation, spectroscopy, simulation, and theorizing to warrant inferences about objects hundreds of Megaparsecs away that are not be visible in any known frequency.

Author Information:

Michael Weisberg    
Department of Philosophy
University of Pennsylvania


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