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Spaceception

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  • About me
    Engineering Student
  • Location
    Setting course for Rocheworld
  • Interests
    Gloria in astra caput
    Lets head to the stars

    Writing, KSP (why else am I here?), Spaceflight (crewed and robotic), Astrobiology and the search for habitable exoplanets, Interplanetary travel and colonization, Interstellar travel, and watching or reading plenty of science fiction and fantasy.

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  1. Spaceception

    I'm rewriting "The Void" to make it more realistic, and there will be 2, maybe 3 targets.

    Proxima b, obvious choice. 4.2 ly

    GJ 876 c or b, not sure yet, hey @ProtoJeb21 is it possible for c to have a Moon, say, 2 to 4x the mass of our Moon with a thin atmosphere, and small lakes? 15.2 ly

    And either a moon around HR 8832 g or HD 69830 d, which one would you rather me send my interstellar explorers?

     

    1. ProtoJeb21

      ProtoJeb21

      Gliese 876c is not massive enough and too close to its star to have a habitable moon. Gliese 876b, on the other hand, could host a moon with about 0.08 Earth masses. Give that thing a Mars-like density and BOOM! Habitable exomoon. Just keep it in the middle of Gliese 876b's Hills Sphere, and it'll be fine.

      On the other hand, HR 8832g (Kategi) is a little more confusing. I use the 7-planet model of the system, and Kategi is a Super-Earth at the edge of the habitable zone. Except for ice caps and continents made from ice, there is no land. Kategi could have a large moon up to the mass of Mars, maybe even larger.

      The more common models for Kategi make it a Saturn-like gas giant, like how HR 8832 h (Nerrivik) is in the 7-planet model. That Saturn analogue could have a Titan-like moon.

      I really don't think the HD 69830 system is a good idea. The outermost planet is in the very inner edge of the optimistic habitable zone. Any moon around it would be too hot for water, except for some groundwater or polar lakes. Also, 69830d is not massive enough to have a habitable moon. But if you make it a binary planet, then the secondary member could be an oceanic Super-Earth.

    2. The Raging Sandwich

      The Raging Sandwich

      Can't wait to read it!

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