Obs. : 2010-06-13
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.830e+11
Venus      3.791e+11
Earth      3.647e+11
Mars       3.868e+11
Jupiter    3.751e+11
Saturn     3.899e+11
Uranus     3.751e+11
Neptune    3.669e+11
Pluto      3.687e+11