> only a challenge of propulsion Also a challenge of ablation. At any reasonable... | Hacker News

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mikro2nd on July 4, 2020 | parent | context | favorite | on: Close and tranquil solar system has astronomers ex...

  > only a challenge of propulsion

Also a challenge of ablation. At any reasonable fraction of c your spacecraft has a serious erosion problem.

TheOtherHobbes on July 4, 2020 [–]

Possibly also the challenge of getting baked by the Unruh Effect.

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