Obs. : 2009-03-26
Planet     Ly alpha
Mercury    7.789e+11
Venus      7.866e+11
Earth      7.636e+11
Mars       7.623e+11
Jupiter    7.404e+11
Saturn     7.636e+11
Uranus     7.789e+11
Neptune    7.499e+11
Pluto      7.309e+11