The Dark Side of the Universe | Erik Verlinde, Catherine Heymans, Sabine Hossenfelder
Jun 4, 2019
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String theorist Erik Verlinde, astrophysicist Catherine Heymans, and physicist Sabine Hossenfelder discuss radical solutions to the mystery of dark energy and dark matter. They challenge conventional theories, propose new ideas blending dark matter and modified gravity, and explore advancements in dark matter experiments and telescope technology. The conversation also touches on the impact of null results on theory development and the search for new particles in physics.
The podcast highlights the necessity to reconsider current theories about dark energy in relation to the universe's expansion.
Experts explore alternative explanations, like modifying gravity, to comprehend the complexities of dark matter and dark energy theories.
Deep dives
Understanding Dark Energy and Dark Matter
The podcast discusses the mysteries and significance of dark matter and dark energy in the universe, emphasizing the need to rethink existing theories. Dark energy relates to the universe's expansion, while dark matter affects galaxies' gravity and formation. The experts debate if current theories need revision and explore alternative explanations, such as modifying gravity to comprehend the universe.
Challenges in Explaining Dark Matter
An astrophysicist highlights the challenges in understanding dark matter, despite measurements indicating its presence. She contrasts 'smug cosmologists' satisfied with existing theories to 'embarrassed cosmologists' struggling to explain invisible matter. The debate centers on the complexity of dark matter and the need for new technologies and theories to unravel cosmic mysteries.
Theoretical Insights on Dark Energy and Dark Matter
Theoretical physicists delve into the complexities of dark matter and dark energy theories, debating the nature of these phenomena. They discuss the limitations of existing models, propose new perspectives on gravity, and suggest unconventional explanations for cosmic observations. Theoretical frameworks aim to provide testable predictions for understanding the universe's fundamental components.
Future Directions in Astrophysics
Panelists outline future astrophysical endeavors, advocating for advanced telescopes and deep-space research to explore dark matter and dark energy. Collaborative efforts between theorists and experimentalists are crucial for developing comprehensive theories of the universe. The discussion emphasizes the need for innovative technologies and ambitious space missions to unlock the mysteries of the cosmos.
According to current theories, Dark Energy and Dark Matter make up 95% of all the stuff in the universe. Yet we still have no direct evidence for them. Might we need to rethink our account of the universe entirely? In this episode of Philosophy for our Times, String theorist Erik Verlinde, astrophysicist Catherine Heymans and physicist and writer Sabine Hossenfelder propose radical solutions to the mystery of the dark universe. In association with the New College of the Humanities.