Obs. : 2012-04-12
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.087e+11
Venus      4.281e+11
Earth      4.037e+11
Mars       4.231e+11
Jupiter    4.137e+11
Saturn     4.037e+11
Uranus     4.087e+11
Neptune    4.039e+11
Pluto      3.870e+11