Astronomy Cast

Wizzard Media

Science & Medicine, Natural Sciences

Chart Positions

Science & Medicine 55
Natural Sciences 19

Astronomy Cast brings you a weekly fact-based journey through the cosmos.


Episode 68: Globular Clusters

December 24th, 2007

Episode 69 of 460 episodes

This week we're going to study some of the most ancient objects in the entire Universe; globular clusters. These relics of the early Universe contain hundreds of thousands of stars, held together by their mutual gravity. Since they formed together, they give astronomers a unique way to test various theories of stellar evolution.

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