File talk:Cislunar potential.png
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Potential energy is measured in J/kg. Also, the potential doesn't keep constant underground. 91.122.0.71 (talk) 15:50, 23 June 2010 (UTC)
Potential energy is measured in J/kg. Also, the potential doesn't keep constant underground. 91.122.0.71 (talk) 15:50, 23 June 2010 (UTC)[reply]