TIL: In 1977 Jupiter, Saturn, Uranus, and Neptune were entering a rare alignment that occurs every 175 years. This happened to be when humans were first attempting space exploration so we were coincidentally able to send Voyager 2 on a flyby of all four planets on its way out of the solar system.

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TIL: In 1977 Jupiter, Saturn, Uranus, and Neptune were entering a rare alignment that occurs every 175 years. This happened to be when humans were first attempting space exploration so we were coincidentally able to send Voyager 2 on a flyby of all four planets on its way out of the solar system. submitted by /u/castor281
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submitted by /u/castor281 [link] [comments]top scoring links : todayilearned

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