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The National | Mar 20, 2013 | 2:23

Voyager's long journey

The Voyager 1 spacecraft, launched in 1977, has travelled to the outermost reaches of the solar system, science correspondent Bob McDonald explains

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The National The National for April 17, 2014 Apr 17, 2014 | 1:00:01Welcome to The National, the flagship nightly newscast of CBC News, hosted by Peter Mansbridge.

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