MadSci Network: Astronomy

Subject: Tidally generated heat? Where does that come from?

Date: Fri Aug 29 15:22:53 2003
Posted by Ariean
Grade level: grad (non-science) School: University of Utrecht
City: Utrecht State/Province: No state entered. Country: The Netherlands
Area of science: Astronomy
ID: 1062188573.As

I learned from a NASA-webpage that the water under the ice on Europe (one of 
the moons of Jupiter, not the Old World) is kept liquid by tidally generated 
heat, basically by the gravity of Jupiter. If that is is true (energy can be 
won from gravity) what is the downside considering the laws of Thermodynamics? 
If energy is won on Europe, where is it lost?

Re: Tidally generated heat? Where does that come from?

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