Obs. : 2014-05-23
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.260e+11
Venus      3.953e+11
Earth      3.954e+11
Mars       4.007e+11
Jupiter    4.394e+11
Saturn     3.985e+11
Uranus     3.863e+11
Neptune    3.808e+11
Pluto      3.928e+11