Obs. : 2011-01-14
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.828e+11
Venus      3.808e+11
Earth      3.780e+11
Mars       3.902e+11
Jupiter    3.764e+11
Saturn     3.756e+11
Uranus     3.764e+11
Neptune    3.803e+11
Pluto      3.828e+11