Recherche par tag: « Radionuclide »

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How do astronomers know the age of the planets and stars?

Adam Burgasser

08/10/2023 Lecture 5 min

Source de l'article : Space.com

How Do Astronomers Know The Age Of The Planets And Stars?

Measuring the ages of planets and stars helps scientists understand when they formed and how they change – and, in the case of planets, if life has had time to have evolved on them.

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