Obs. : 2010-06-19
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.840e+11
Venus      3.908e+11
Earth      3.747e+11
Mars       3.997e+11
Jupiter    3.633e+11
Saturn     4.010e+11
Uranus     3.633e+11
Neptune    3.664e+11
Pluto      3.776e+11