Baade’s revision of Hubble constant

E2108069 UNEXPLORED

Baade’s revision of the Hubble constant was a mid-20th-century recalibration of the cosmic distance scale that roughly doubled the estimated size and age of the universe by correcting earlier distance measurements to galaxies.

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Walter Baade → notableWork → Baade’s revision of Hubble constant ⓘ

subject linked to: Fritz Zwicky and Walter Baade