Obs. : 2008-06-18
Planet     Ly alpha
Mercury    3.769e+11
Venus      3.716e+11
Earth      3.778e+11
Mars       3.762e+11
Jupiter    3.778e+11
Saturn     3.815e+11
Uranus     3.684e+11
Neptune    3.722e+11
Pluto      3.842e+11