Obs. : 2008-04-13
Planet     Ly alpha
Mercury    3.803e+11
Venus      3.644e+11
Earth      3.554e+11
Mars       3.665e+11
Jupiter    3.389e+11
Saturn     3.592e+11
Uranus     3.532e+11
Neptune    3.427e+11
Pluto      3.428e+11