Obs. : 2008-12-08
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.511e+11
Venus      3.555e+11
Earth      3.476e+11
Mars       3.465e+11
Jupiter    3.555e+11
Saturn     3.414e+11
Uranus     3.506e+11
Neptune    3.520e+11
Pluto      3.511e+11