In 1977 this probe 2 launched 2 weeks before probe 1; it took 12 years to reach Neptune before hitting interstellar space

Since you have landed on this page then most probably you are looking for the In 1977 this probe 2 launched 2 weeks before probe 1; it took 12 years to reach Neptune before hitting interstellar space answerThis question was last seen on February 21 2022 Jeopardy TV Game Show.

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