Obs. : 2008-06-15
Planet     Ly alpha
Mercury    3.798e+11
Venus      3.753e+11
Earth      3.771e+11
Mars       3.837e+11
Jupiter    3.771e+11
Saturn     3.902e+11
Uranus     3.684e+11
Neptune    3.725e+11
Pluto      3.798e+11