4min chapter

Why This Universe? cover image

41 - The Hubble Tension: The Biggest Fight in Astronomy (ft. Wendy Freedman)

Why This Universe?

CHAPTER

Is This a New Physicist's Measurement?

Two ways of measuring the hubble rate to day give different results. This is a statistically significant disagreement, depending on how you measure it. It could be pointing toward exotic new physics or new forms of energy that were present in our universe during its first few hundred thousand years. Weare anxiously awaiting results from a satellite called gaya. Its a european satellite that is measuring direct parallaxes to cephids in our milky way galaxy and also other kinds of stars like red giants.

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