Launched in 1977, which pair of NASA probes became the first human-made objects to enter interstellar space?
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Voyager probes
Voyager 1 and 2 carry 'Golden Records' containing sounds and images selected to portray the diversity of life and culture on Earth to any extraterrestrials who might find them. These probes are the most distant human-made objects in existence, currently traveling through the silent void beyond our solar system.
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- Which two NASA spacecraft, launched in 1977, were the first to cross the boundary into interstellar space?