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Tour the Solar SystemModule 2An Architecture Still in Motion
Module 2 / Lesson 6 of 3022 min
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How do we know the Solar System's age?

How can radioactive clocks in ancient material reveal an age near 4.6 billion years?

Connect isotope ratios, decay rates, meteorites, and uncertainty to the age scientists report.

Artistic laboratory reconstruction of a primitive meteorite beside precision isotope-analysis equipment.
Artistic laboratory reconstruction: instruments measure atomic ratios; scientists calculate and verify the age.

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