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Log in to Watch OnlineComet Encounter: Comet of the Century
Follow a once-in-a-lifetime event: Comet ISON’s brush with the sun.
About Comet Encounter
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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