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Jan. 04, 2013
A Journey to the Oort Cloud, Where Comets Are Born
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The comet ISON, discovered by two amateur astronomers last year, will zoom past the Earth next fall. But where did it come from? Astronomer Andrew Fraknoi says a passing star could have flung the comet our way from the Oort Cloud, a distant realm of ice chunks at the outer limits of the solar system.
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Produced by Christopher Intagliata, Associate Senior Producer
Guests
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Andrew Fraknoi
Chair, Astronomy Department
Foothill College
Los Altos, California
FEATURED READING
Brilliant Blunders
by Mario Livio
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