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To all SSC Station occupants

Thank you for the donations over the past year (2024), it is much appreciated. I am still trying to figure out how to migrate the forums to another community software (probably phpbb) but in the meantime I have updated the forum software to the latest version. SSC has been around a while so their is some very long time members here still using the site, thanks for making SSC home and sorry I haven't been as vocal as I should be in the forums I will try to improve my posting frequency.

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-D1-

Eyeball planet

(@azimech)
Trusted Member

This is very interesting, a theory what an earthlike tidally locked planet might look like. Who knows, might be nice to have something like this in Pioneer?

http://geosci.uchicago.edu/~rtp1/papers ... JL2011.pdf

And

http://en.wikipedia.org/wiki/Aurelia_and_Blue_Moon

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Topic starter Posted : July 12, 2011 23:57
(@ollobrain)
Honorable Member

could be put into game in some way

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Posted : July 13, 2011 01:37
(@s2odan)
Noble Member
Quote:
Eyeball Planet

Quote:
could be put into game in some way

What is special about these planets?

Sorry the answer may well be buried in the wiki somewhere but I couldn't find it.

If it looks like an Eye then we already have planets like this. Someone noticed one last night in IRC, called it the "Eye of God" 😉

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Posted : July 13, 2011 06:52
(@fluffyfreak)
Noble Member

It's a tidal locked world that is frozen over except for the side which constantly faces the sun, centre around that point there's a liquid (presumably water) "surface" to the world/moon where life might be possible. Kinda of a special case of a tidal locked world in general, further out and it would just all be frozen, nearer in and maybe only a bit of the permanently dark "far-side" would be frozen, but the near-side would be a sun blasted hell etc.

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Posted : July 13, 2011 07:03
(@s2odan)
Noble Member

Well its easy to make a planet look like that, whats hard is to make it only appear that way when tidally locked, and to point the feature towards the planet it is orbiting.

Tom did a good job with galaxy and system generation but I don't remember reading anywhere in the code about tide-locking so its probably a feature we dont have.. Except of course when its coincidental 🙂

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Posted : July 13, 2011 16:31
(@azimech)
Trusted Member

It's enough to have the rotation period the same as the orbital period. The Moon is tidally locked to Earth but it still rotates. Not relative to us but to the background stars.

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Topic starter Posted : July 14, 2011 03:48
(@s2odan)
Noble Member

Yeah I know 😉 But theres a lot more to it than that otherwise we would already do it. Given the correct math it can be done though.

For example as I mentioned there is no linkage between Body a's orbital period, and Body B's period of rotation. So there actually has to be a seperate check that ensure any body approaching the Roche limit of another body is tidally locked.

This is sounding like it can be tackled when we implement the Roche limit for planetary ring formation.

Again, using the moon as an example, in Pioneer it may *appear* tidally locked, but is in fact not. It only has an orbital period which matches Earth's period of rotation, not perfectly either.

So given enough time it would go out of sync.

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Posted : July 14, 2011 06:38
(@fluffyfreak)
Noble Member

Do we support asteroid belts yet?

Logically if not graphically. I mean as distinct bands of material compromised of big (thousands to millions of tonnes) asteroids.

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Posted : July 14, 2011 07:07
(@s2odan)
Noble Member

Not yet, I was thinking we somehow link the fractal stuff up with some distribution when a system is generated. That seems the logical choice to me at least.

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Posted : July 14, 2011 10:07