Obs. : 2008-07-21
Planet     Ly alpha
Mercury    3.627e+11
Venus      3.644e+11
Earth      3.713e+11
Mars       3.714e+11
Jupiter    3.755e+11
Saturn     3.714e+11
Uranus     3.693e+11
Neptune    3.713e+11
Pluto      3.758e+11