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nytimes.com
Cosmos Controversy: The Universe Is Expanding, but How Fast? (Published 2017)
A small discrepancy in the value of a long-sought number has fostered a debate about just how well we know the cosmos.
Albert Einstein
Ulm
Albert Einstein Photo
Edwin Hubble
Scientific Instruments
Astronomical Observatory
Modern Physics
General Relativity
Theoretical Physics
The New York Times
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