18 mars 5437 av. J.-C. - Lauch Date

Description:

The ships are launched from Proxima Centauri B on this date. If the ships were going at roughly 20km/s (which was the speed of Voyager 1), it should reach earth earlier this year. Because their planet is 4.5 light-years away, they still see the earth in it's Ice Age form which means that its colder then what is now.

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Date: