Do we need Dark Matter or are we just time blind

Context: Undergrad
Thread starter Bruce Wilson
Start date Feb 9, 2016
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Dark matter Gravitational field strength Matter Time

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Chronos

Gold Member

Mar 3, 2017

The baryon mass fraction of the universe has been measured with great precision by a number of studies [Planck, WMAP, BAO] which rules out any significant unaccounted contributions from black holes. For further discussion see https://ned.ipac.caltech.edu/level5/Peebles2/P5_2.html

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Do we need Dark Matter or are we just time blind

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