Voyager Spacecraft Advance Spacecraft Communications

From NASA - National Aeronautics and Space Administration:

As our twin Voyager spacecraft were changing our understanding of the solar system, they also spurred a leap in spacecraft communications. The Voyagers are more than 10 billion miles from Earth, and the vast distances between the probes and Earth have required bigger and better "ears" with which to hear their increasingly faint signals. Learn more: http://go.nasa.gov/2wAGMGZ

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