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NASA consideres interstellar mission that could last 100 years

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This article is more than 1 year old.

Scientists who want to understand what's beyond our solar system have designed an interstellar spacecraft that could go out farther and faster than the venerable Voyager probes, which are reaching the end of their lives.

But designing a mission that could last longer than 50 years presents unusual challenges that have nothing to do with technology.

NPR's Nell Greenfieldboyce reports.

This segment aired on October 28, 2021.

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