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Cosmic Controversy: Hubble Constant Debate Heats Up

6/20/2025

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Summary

Story summary

Astronomers are locked in a heated debate over the Hubble constant, the key to understanding the universe's expansion. Some cosmologists believe it's accelerating beyond current physics, hinting at potential flaws in established models. Hosts Flora Lichtman and Ira Flatow delve into the contrasting perspectives of experts Wendy Freedman and Dan Scolnic, illuminating this cosmic controversy.

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Story summary

Astronomers are locked in a heated debate over the Hubble constant, the key to understanding the universe's expansion. Some cosmologists believe it's accelerating beyond current physics, hinting at potential flaws in established models. Hosts Flora Lichtman and Ira Flatow delve into the contrasting perspectives of experts Wendy Freedman and Dan Scolnic, illuminating this cosmic controversy.