Astronomy Cast

Wizzard Media

Science & Medicine, Natural Sciences

Chart Positions

Natural Sciences 5
Science & Medicine 14

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


Episode 19: Comets, Our Icy Friends from the Outer Solar System

January 15th, 2007

Episode 19 of 460 episodes

The sudden brightening of Comet McNaught has reminded us what a treat it can be to see a comet with the unaided eye. A diffuse ball with a long tail stretching across the sky. There's nothing else in the night sky that can compare to a bright comet. But what are these objects, where do they come from, and what can they tell us about the formation of the Solar System?

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