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Is The Universe Rotating?
Posted
February 27, 2026
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YouTube Description
as posted by the channelIn this episode, Neil deGrasse Tyson, co-host Chuck Nice, and guest Sean Carroll explore two big cosmology questions: whether a slowly rotating universe could explain dark energy or the Hubble tension, and what really happens if you fall into a black hole. Sean Carroll explains that a rotating universe would likely break the observed isotropy of the cosmos and that Einstein’s cosmological constant still fits the data best. They also clarify misconceptions about falling into black holes, emphasizing spacetime, light cones, and why you wouldn’t actually witness the entire future of the universe before being “spaghettified.”
From 'The Complex Universe, with Sean Carroll'
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Chuck NiceSean CarrollComplex UniverseSean Carroll' GetBeyond A JourneyCosmic Discovery'Amazon SupportPatreon FOLLOW
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