[Eclipse]

plus even if it was 500 million light years away, they still would not see dinosaurs because the first ones appeared 231 million years ago.

Unicorns. They'll see unicorns.

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The only way for us to survive that distance would be a conscious transfer to a database where upon entry of the new planet's atmosphere we would redownload our conscious into another being wether it be robot or extraterrestrial. Unfortunately our tech isnt good enough for that yet.

Ermm, no. Use the space ship as a home, reproduce, your great great grand children will arrive.