Voyager 1 must cross 'highway' before interstellar space - latimes.com: According to NASA, the Voyagers will keeping motoring into the 2020s. By 2020, there will no longer be enough power for all the instruments, and some will be powered down. By 2025, there won't be power for any of the instruments. The spacecraft should continue on, and in about 40,000 years, Voyager 1 will come within 9.3 trillion miles of the star AC+79 3888, in the constellation Camelopardalis. Voyager 2 will come within 25 trillion miles of Sirius in about 296,000 years.
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