Obs. : 2010-03-07
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.669e+11
Venus      3.722e+11
Earth      3.662e+11
Mars       3.725e+11
Jupiter    3.669e+11
Saturn     3.572e+11
Uranus     3.722e+11
Neptune    3.583e+11
Pluto      3.412e+11