Obs. : 2009-03-17
Planet     Ly alpha
Mercury    1.281e+12
Venus      1.285e+12
Earth      1.247e+12
Mars       1.251e+12
Jupiter    1.220e+12
Saturn     1.236e+12
Uranus     1.281e+12
Neptune    1.220e+12
Pluto      1.189e+12