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#exoplanets

1 reading card on “exoplanets”, in chronological order. Part of the full archive.

  1. An interstellar generation ship rendered as a rotating O'Neill cylinder: centrifugal gravity, full radiation shielding, an axial artificial sun, a closed water cycle. Fourteen generations of inhabitants have shaped the inner landscape — strip agriculture, weathered wooden houses, a stream that returns to the lake it came from. This is the geometry physics permits, once you accept that the voyage outlasts a lifetime.
    2026-05-09

    The Slow Crossing

    What an interstellar voyage would actually require, with the technology we have today.

    It is not a hypothetical that has aged badly. The nearest other star is 4.24 light-years away, and the question of how long the trip would take, with what we actually have, returns an answer that almost no fiction has been honest about.