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A comment on Seven earth-sized planets discovered circling a star 39 light years from Earth. Parent comment

Re:Seven earth-sized planets discovered circling a star 39 l... by rocqua on Thursday February 23, 2017 @06:50AM (#13713173)
The rocket equation is the biggest block. Getting a constant thrust of 1g for 7.3 years is hard.

It takes an incredible amount of fuel, and an incredible specific velocity.

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