Obs. : 2012-01-22
Planet	Ly alpha (photons/cm^2/sec)
Mercury    5.265e+11
Venus      4.509e+11
Earth      4.346e+11
Mars       4.580e+11
Jupiter    4.482e+11
Saturn     4.810e+11
Uranus     4.529e+11
Neptune    4.473e+11
Pluto      5.239e+11