This week the shows include: May 13: The Square Kilometre Array by the SKA Outreach Team; May 14: Next Generation Space Materials by Bob Hirshon, AAAS; May 15: Griffith Birthday by Carolyn Collins Petersen; May 16: Thermostat by Ben Lillie; May 17: What are Black Holes? by Stuart Clark; May 18: Our Place in Space by Pamela Gay; May 19: It's a Zoo Out There On the Moon! by The NASA Lunar Science Institute.

Week 72 (May 13 - May 19)

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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Week 72 (May 13 - May 19)

Week 72 (May 13 - May 19)