Obs. : 2011-02-02
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.770e+11
Venus      3.694e+11
Earth      3.871e+11
Mars       3.896e+11
Jupiter    3.854e+11
Saturn     3.785e+11
Uranus     3.887e+11
Neptune    3.896e+11
Pluto      3.722e+11