<p>So much of our Solar System has been shaped by enormous collisions early on in our history. Seriously, the nature of every planet in the Solar System has some evidence of massive impacts during some point in its history.</p>

So much of our Solar System has been shaped by enormous collisions early on in our history. Seriously, the nature of every planet in the Solar System has some evidence of massive impacts during some point in its history.

Ep. 565: When Worlds Collide

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. 565: When Worlds Collide

Ep. 565: When Worlds Collide