MAPP

February 25, 2012

The plan is to have a real artist redo this

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6 Responses to “MAPP”

  1. insectking Says:

    Okay, if I understand the cleaving to physics, Horizon has Earth-like seasonal changes on an Earth-sized planet but considering the severity of the seasons, can I assume that each season is twice as long like it is on Mars?

  2. gregstolze Says:

    I don’t think it needs to have seasons twice as long, does it? I mean, a planet with a perfectly circular orbit would have no seasons. An ellipse that was perfectly centered on the sun (and no axial tilt) would have two warm seasons and two cold seasons. Horizon has some axial tilt, but most of the seasonal variation (in my mind) comes from its orbit. During summer, it’s closer to the sun and during the winter it’s farther, that’s all. Or am I missing out on physics?


  3. You are missing out on physics a bit. If the seasons come from an elliptical orbit, rather than axial tilt then it will be hot everywhere in the summer and cold everywhere in the winter, which will mean that there will be no reason anyone would migrate.

    I think it should come from axial tilt, (axial tilt would also make the equator generally hotter than the poles) but the severity of the weather could come from like a billion other reasons, not just extra long seasons. Perhaps the star is hotter. Perhaps the atmosphere traps heat differently. Shallower oceans might do the trick. The extreme weather, for me, seemed like something that was too complicated to really need a reason, kind of like a RPG can be “realistic” when a vehicle has far more attributes than an infinitely more complex human being.

  4. insectking Says:

    Yeah, I’d go with Sheikh Jahbooty. Seasons are based on angle which hemisphere of the Earth faces towards the sun. This is why northern and southern hemispheres have opposite seasons (although as one reaches the equator the differences between seasons tend to blur out).

    The elliptical orbit could be an influence on the severity of the seasons (closer = warmer; further away = cooler) but the axial tilt is where seasons happen.

    I ask about Mars because its year is about twice as long as Earth’s but their days are about 24 hours. Seasons that are twice as long could plausibly generate the types of inhospitable conditions found in Horizon.

  5. insectking Says:

    Also, if Horizon’s the equator always faced the sun there wouldn’t be a need for Tropical zones. Tropics show at what point the Earth faces the sun closest to its zero-degree zenith in the sky during summer.

    It’s also when the traditional four seasons (north and south, away from the equator) manifest. Closer to the tropics is when the year is made up of two seasons (wet summer and dry winter).

  6. gregstolze Says:

    …and this is why I workshop stuff first. Thanks gents! I’m smacking my head over my own gaffe with the axial tilt.

    -G.


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