<p class="p1">Knowledge moves forward, and so, we must move with it. Today we'll give you an update on some of the most fascinating, fast-changing topics in astronomy, astrophysics and cosmology.</p>

Knowledge moves forward, and so, we must move with it. Today we'll give you an update on some of the most fascinating, fast-changing topics in astronomy, astrophysics and cosmology.

<p>Knowledge moves forward, and so, we must move with it. Today we'll give you an update on some of the most fascinating, fast-changing topics in astronomy, astrophysics and cosmology.</p>

Ep. 639: Big Qs Update: Dark Matter, Dark Energy, Etc.

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. 639: Big Qs Update: Dark Matter, Dark Energy, Etc.

Ep. 639: Big Qs Update: Dark Matter, Dark Energy, Etc.