StarTalk
Summary
StarTalk is hosted by Neil deGrasse Tyson covering Astrophysics, Cosmology, Gravity, and Spacetime. Notable guests include Katherine Freese (Director of the Weinberg Institute for Theoretical Physics, UT Austin). Episodes span from Mar 2026 to Apr 2026.
The visibility of a light beam from the side is not due to the light itself, but from the light scattering off particles like dust and water vapor in the atmosphere. In a perfect vacuum, a beam wou...
Neil deGrasse Tyson answers a range of audience questions, covering fundamental physics, cosmology, and the future of astronomy. Key topics include the impossibility of reaching absolute zero due t...
The episode features a Q&A format where Neil deGrasse Tyson answers 'burning questions' from his production team on a wide range of topics. Key discussions include applying physics to everyday prob...