<p>Today we push our aging curiosity out into the Solar System to ask that simple question: how old is it and how do we know? What techniques do astronomers use to age various objects and regions in the Solar System?</p> <p>This is part two of a series.</p>

Today we push our aging curiosity out into the Solar System to ask that simple question: how old is it and how do we know? What techniques do astronomers use to age various objects and regions in the Solar System? This is part two of a series.

Ep. 523: Judging Age & Origins, Pt. 2 Across the Solar System

This is the full live stream audio of the Astronomy Cast episodes. The first half hour is the regular episode, and the second half hour is a Q&A session with questions submitted by live viewers and email.

Science

Astronomy

This is the full live stream audio of the Astronomy Cast episodes. The first half hour is the regular episode, and the second half hour is a Q&amp;A session with questions submitted by live viewers and email.

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Ep. 523: Judging Age & Origins, Pt. 2 Across the Solar System

Ep. 523: Judging Age & Origins, Pt. 2 Across the Solar System