U unknown574 Guest Feb 25, 2009 #1 what would be mercury's solar and sidereal day length if the planet were in a 4:3 spin-orbit resonance instead of the 3:2 resonance actually observed?
what would be mercury's solar and sidereal day length if the planet were in a 4:3 spin-orbit resonance instead of the 3:2 resonance actually observed?
