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# Seems pretty slow.
Accelerate at 1g and you'll be there in less than six years.
(I helped save b3ta! jonbob loves you, Fri 14 May 2021, 2:21, archived)
# Seems like you'd need a planet's worth of fuel to accelerate thousands of tonnes of spaceship at 1g for that long.
Seems like you might as well take your planet with you at that point.
(I helped save b3ta! brb homonecrobatrachophile, Fri 14 May 2021, 14:29, archived)
# I make it just over 4 years
And as brb says, lots of energy needed for that, although presumably you'd be using fusion so not so much mass needed.
(Penis Christ Supercar not to be confused with other popular Christs, Fri 14 May 2021, 22:12, archived)