(Houston Chronicle) Something very, very interesting is happening with Voyager 1, the human probe that's the very farthest from Earth.
New data from the spacecraft, which I will discuss below, indicate Voyager 1 may have exited the solar system for good. If true, this would mark a truly historic moment for the human race — sending a spacecraft beyond the edge of our home solar system.
At last check, NASA scientists said they were not yet ready to officially declare that Voyager 1 had officially exited the solar system by crossing the heliopause.
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To cross this boundary scientists say they would need to observe three things ...