Obs. : 2010-08-12
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.804e+11
Venus      3.777e+11
Earth      3.878e+11
Mars       3.777e+11
Jupiter    3.906e+11
Saturn     3.777e+11
Uranus     3.906e+11
Neptune    3.886e+11
Pluto      3.821e+11