A sharp decrease in the gravitational constant 130 Myr ago, proposed to resolve the Hubble tension, is inconsistent with solar evolution, Earth's climate history, and geological day-count records.
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Challenges to a sharp change in $G$ as a solution to the Hubble tension
A sharp decrease in the gravitational constant 130 Myr ago, proposed to resolve the Hubble tension, is inconsistent with solar evolution, Earth's climate history, and geological day-count records.