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Imaginary Planetary System

  1. Mar 17, 2016 #1
    I had a dream about groups of nomads constantly travelling around a planet in one direction to stay in the 'dusk/dawn' zone of their planet as if they strayed too far behind they would freeze and if they ventured too far ahead they would cook and vice versa. What might a planetary system look like where this arose i.e day length, year length, planet size, distance from sun etc.

    Cheers!
     
  2. jcsd
  3. Mar 17, 2016 #2
    It would make it a lot easier on these nomads if their planet was tidally locked with its star. They could just stay put in the twilight regions.
     
  4. Mar 17, 2016 #3

    Chronos

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    Science Advisor
    Gold Member

    A planet like venus with a day that lasts 116 earth days would be an inviting choice. The nomads would need only average about 9 miles an hour to circumnavigate an earth size planet each day.
     
  5. Mar 17, 2016 #4

    Ryan_m_b

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    Staff: Mentor

    This sort of set up on Mercury has been written about so many times it's a trope:
    http://tvtropes.org/pmwiki/pmwiki.php/Main/MercurialBase

    One thing to consider is that it's unlikely a human friendly biosphere could exist on such a planet. The nomads aren't going to be primitive desert dwellers, but rather technologically advanced people's moving accross the planet in mobile habitats.
     
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