Obs. : 2008-04-30
Planet     Ly alpha
Mercury    3.781e+11
Venus      3.814e+11
Earth      3.740e+11
Mars       3.720e+11
Jupiter    3.773e+11
Saturn     3.720e+11
Uranus     3.822e+11
Neptune    3.765e+11
Pluto      3.770e+11