Obs. : 2010-03-11
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.675e+11
Venus      3.746e+11
Earth      3.809e+11
Mars       3.819e+11
Jupiter    3.675e+11
Saturn     3.763e+11
Uranus     3.746e+11
Neptune    3.601e+11
Pluto      3.478e+11