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Voyager program

The Voyager program consisted of a pair of unmanned scientific probes, Voyager 1 and Voyager 2, launched in 1977.

They were sent to study Jupiter and Saturn, using an advantageous planetary alignment of the late 1970s.

Note:   The above text is excerpted from the Wikipedia article "Voyager program", which has been released under the GNU Free Documentation License.
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October 4, 2015

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