Comet Encounter

Re-Aired December 2013

Comets have fascinated, even terrified us for thousands of years. For scientists though, comets are a great opportunity. In 2013, a particularly massive chunk of ice and rock came our way, an object that could fascinate billions and create the space show of the century.

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Comet Encounter

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Follow a once-in-a-lifetime event — Comet ISON’s brush with the sun.

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Video thumbnail: Comet Encounter Comet Encounter - Preview

Comet Encounter

Comet Encounter - Preview

Airs December 25, 2013 at 10:00 p.m. ET/PT. Check your local listings.

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Comet Encounter - Preview

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