Science Podcasts

National Astronomy Meeting episode

Thu, 4th Jul 2013

National Astronomy Meeting: Thursday

NGC 6744 (c) SALT Foundation

Dark matter has long been needed by cosmologists to explain how structures like galaxies remain so strongly bound together. Catherine Peymans from the University of Edinburgh tells me about the latest models of dark matter, meanwhile Benoit Famaey and Hongsheng Zhao tell me how they believe that cosmological models can be constructed that don't have any dark matter at all.

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In this edition of National Astronomy Meeting

Full Transcript

  • 01:15 - The Dark Universe

    What do we know about dark matter and dark energy? Catherine Heymans gives me an update.

  • 08:40 - Is dark matter real?

    Can the need for dark matter in cosmology be escaped by modifying the laws of gravity?

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