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NASA's Voyager 2 Becomes 2nd Craft in Interstellar Space

NASA's Voyager 2 has become only the second human-made object to reach the space between stars. NASA said Monday that Voyager 2 exited the region of the sun's influence last month. The spacecraft is now beyond the outer boundary of the heliosphere, some 11 billion miles from Earth. It's trailing Voyager 1, which reached interstellar space in 2012. Interstellar space is the vast mostly emptiness between star systems. According to NASA, the Voyagers are still...

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