Angular Momentum, Cosmic Time Dilation & Dark Matter Mysteries Unraveled | Q&A

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Angular Momentum, Cosmic Time, and the Vastness of
Space In this thought-provoking Q&A edition
of Space Nuts, hosts Andrew Dunkley and Professor Fred
Watson tackle a series of intriguing questions that delve into the
complexities of the universe. From the nature of angular momentum
in black holes to the perception of time across different
gravitational fields, this episode promises to expand your
understanding of cosmic phenomena.
Episode Highlights:- Angular Momentum in Merging
Black Holes: Mark from Baton Richie, Louisiana, asks
whether two black holes spinning in opposite directions could
result in a new black hole with zero angular momentum. Andrew and
Fred Watson explain the nuances of angular momentum and how
gravitational waves play a crucial role in this cosmic dance.
- The Age of the Universe and Gravitational Time
Dilation: John poses a fascinating question about how the
age of the universe might differ for someone near a supermassive
black hole compared to an observer on Earth. The hosts discuss
gravitational time dilation and the implications for our
understanding of cosmic history.
- The Vastness of Space and Dark Matter: Pete
shares his insights on the sparsity of matter in the galaxy and the
uniform distribution of dark matter. Fred Watson elaborates on how
dark matter influences galactic structures and why its effects are
negligible on a solar system scale.
- The Big Leap and Speed Limits in the
Universe: Martin Berman Gorvine challenges the hosts with
a question about the theoretical possibility of circumventing the
speed of light by accessing other universes. Andrew and Fred Watson
navigate the complexities of this intriguing concept and its
implications for our understanding of physics.

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happy stargazing.

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