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The Dark Galaxy Hypothesis

Weisberg, Michael and Jacquart, Melissa and Madore, Barry and Seidel, Marja (2018) The Dark Galaxy Hypothesis. [Preprint]

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Gravitational interactions allowed astronomers to conclude that dark matter rings all luminous galaxies in gigantic halos, but this only accounts for a fraction of the total mass of dark matter believed to exist. Where is the rest? We hypothesize that some of it resides in dark galaxies, pure dark matter halos that either never possessed or have totally lost their baryonic matter. This paper explores methodological challenges that arise due to the nature of observation in astrophysics, and examines how the blend of observation, simulation, and theory we call the Observing the Invisible approach might make detecting such dark objects possible.

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Item Type: Preprint
Weisberg, Michael
Jacquart, Melissamelissajacquart@gmail.com0000-0003-2144-1588
Madore, Barry
Seidel, Marja
Keywords: Astrophysics, Astronomy, Dark Matter, Observing the Invisible, Epistemic Warrant
Subjects: Specific Sciences > Physics > Cosmology
General Issues > Theory/Observation
Depositing User: Melissa Jacquart
Date Deposited: 06 May 2018 14:37
Last Modified: 06 May 2018 14:37
Item ID: 14645
Subjects: Specific Sciences > Physics > Cosmology
General Issues > Theory/Observation
Date: 18 April 2018

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