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Who Will Confirm 'First Contact' - Us or Them?

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posted on Dec, 4 2014 @ 05:04 PM
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origeveral.

One can imagine a moon of a gas giant exoplanet just beyond the snow line (the "too cold" line on most Habitable Zone diagrams) which is heated both from the star and tidal heating from the gas giant it orbits which might lead to a scene like this one:



With frequent Richter 11 earthquakes? Asteroid strikes from the debris entrained by the gas giant?

I think atmospheric properties (greenhouse effect) would be more potent and conducive to life than exceptional tidal heating.
edit on 4-12-2014 by mbkennel because: (no reason given)




posted on Dec, 4 2014 @ 06:43 PM
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Anyone want to help a girl out with her research paper on the existence of UFOs and extraterrestrials?



posted on Dec, 5 2014 @ 02:13 AM
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originally posted by: mbkennel

origeveral.

One can imagine a moon of a gas giant exoplanet just beyond the snow line (the "too cold" line on most Habitable Zone diagrams) which is heated both from the star and tidal heating from the gas giant it orbits which might lead to a scene like this one:



With frequent Richter 11 earthquakes? Asteroid strikes from the debris entrained by the gas giant?

I think atmospheric properties (greenhouse effect) would be more potent and conducive to life than exceptional tidal heating.


Greenhouse warming alone would not warm a terrestrial planet or moon to Earth-like average temperatures if it is beyond the snow line see:



The Empirical Habitable Zone limit on the cold side assumes a maximum greenhouse effect. Beyond that Empirical Habitable Zone even a maximum greenhouse effect would not warm a planet to be temperate.

As for earthquakes, that would have to do with internal composition of the moon. Asteroid strikes would be more frequent than Earth but it is not a given that it would be much more if there was another larger gas giant in the system acting as a cosmic vacuum sweeper like Jupiter does. If there was a Saturn Sized planet in between the orbit of Jupiter and Mars it is conceivable that a moon wouldn't get any more impacts than Mars.



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