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Thread: Tatooine planets likely only last 10,000 years

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    Default Re: Tatooine planets likely only last 10,000 years

    It may be of interest to some whether or not star wars planets live longer than the movies. (smiling)
    Jim

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    Default Re: Tatooine planets likely only last 10,000 years

    Quote Originally Posted by Solrian View Post
    It may be of interest to some whether or not star wars planets live longer than the movies. (smiling)
    A picturesque exoplanetary sunset might make long term habitability impossible.
    chas53, helicon64, Solrian and 2 others like this.

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    Default Re: Tatooine planets likely only last 10,000 years

    Quote Originally Posted by not_Fritz_Argelander View Post
    A picturesque exoplanetary sunset might make long term habitability impossible.
    Excellent point!! Actually, I thought the ice planet Hoth was more interesting than the Tattoo planet. But that's just me!
    Jim

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    Default Re: Tatooine planets likely only last 10,000 years

    Quote Originally Posted by Solrian View Post
    Excellent point!! Actually, I thought the ice planet Hoth was more interesting than the Tattoo planet. But that's just me!
    It's a little-known fact that Hoth's climate is actually based off of a real location right here on Earth. Don't believe me? Visit Michigan sometime between November and April!
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    Default Re: Tatooine planets likely only last 10,000 years

    Quote Originally Posted by Wingsfan81 View Post
    It's a little-known fact that Hoth's climate is actually based off of a real location right here on Earth. Don't believe me? Visit Michigan sometime between November and April!
    Fair enough. But you are in the LP right? Marquette MI in the UP is even "Hothier". Not that I want to play the hothier than thou game...

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    Default Re: Tatooine planets likely only last 10,000 years

    Quote Originally Posted by not_Fritz_Argelander View Post
    Fair enough. But you are in the LP right? Marquette MI in the UP is even "Hothier". Not that I want to play the hothier than thou game...
    I'd gladly endure those nasty winters in the UP for some of the pristine dark skies available up there! For someplace really "Hothy" Mount Bohemia in the western UP (Keweenaw Peninsula) gets 273" of snow in an average winter! I believe the record is somewhere near 400"!
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    Default Re: Tatooine planets likely only last 10,000 years

    Folks at the exo-planet sites I used to frequent commented a great deal about unstable planetary orbits, sometimes in conjunction with binary stars.

    I note the 1 au separation used in these simulations. Quite a few binary stars have much tighter orbits, a few of the ones I looked at in the course of my project had separations that would have worked out to around 1% of an au (which I thought was odd). Have to wonder if that might not make a difference for long term orbital stability.

    Also, planetary orbits might be more stable in very widely separated binaries or common proper motion stars. My efforts turned up a thousand plus 'physical pairs' (according to the professionals) with separations that worked out to several hundred to several thousand au. Though I did come across mention of a sort of 'fishtail effect' in systems of this sort - gravitationally bound, yet not really 'orbiting.'

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