Obs. : 2007-12-18
Planet     Ly alpha
Mercury    5.992e+11
Venus      5.955e+11
Earth      5.903e+11
Mars       5.885e+11
Jupiter    5.992e+11
Saturn     5.940e+11
Uranus     5.856e+11
Neptune    5.926e+11
Pluto      5.992e+11