From StarTalk.

The conversation revolves around the nature of gravity, questioning whether it is a force or the result of spacetime curvature, as described by general relativity. The hosts also explore the challenge of integrating gravity into the Standard Model of particle physics, highlighting the hypothetical graviton, and touch on how quantum theory might relate to black holes and multiverse ideas.

From ‘Astrophysicists Discuss Issues with Gravity, Dark Matter, and the Unsolved Mystery of the Sun’s Heat’: https://youtu.be/kjFMnWjo6D4?si=wtugwSu7khTTUF34

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