Obs. : 2008-04-15
Planet     Ly alpha
Mercury    4.143e+11
Venus      4.143e+11
Earth      3.979e+11
Mars       4.154e+11
Jupiter    3.791e+11
Saturn     4.028e+11
Uranus     3.907e+11
Neptune    3.789e+11
Pluto      3.817e+11