I do know that orbits gradually decay - maybe that is the 'energy reserve' we would be drawing down. http://en.wikipedia.org/wiki/Gravitational_wave#Orbital_de

I do know that orbits gradually decay - maybe that is the 'energy reserve' we would be drawing down. http://en.wikipedia.org/wiki/Gravitational_wave#Orbital_decay_from_gravitational_radiation http://en.wikipedia.org/wiki/Gravitational_wave#Orbital_deca...