Obs. : 2008-09-12
Planet     Ly alpha
Mercury    3.578e+11
Venus      3.578e+11
Earth      3.555e+11
Mars       3.578e+11
Jupiter    3.600e+11
Saturn     3.477e+11
Uranus     3.541e+11
Neptune    3.555e+11
Pluto      3.625e+11