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Old 01-26-2021, 01:25 PM   #151 (permalink)
freebeard
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You left out the sample return missions. The distances and time spans are different in space. The Voyager mission started in the 1970s.

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The Voyager primary mission was completed in 1989, with the close flyby of Neptune by Voyager 2. The Voyager Interstellar Mission (VIM) is a mission extension, which began when the two spacecraft had already been in flight for over 12 years.
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On 4 November 2019, scientists reported that, on 5 November 2018, the Voyager 2 probe had officially reached the interstellar medium (ISM), a region of outer space beyond the influence of the Solar System, and has now joined the Voyager 1 probe which had reached the ISM earlier in 2012.
The winds of political change are swift on Earth. The micro-nova happen on a 12,500-year cycle.

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