Obs. : 2011-02-13
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.821e+11
Venus      3.823e+11
Earth      3.926e+11
Mars       3.821e+11
Jupiter    3.703e+11
Saturn     3.881e+11
Uranus     3.703e+11
Neptune    3.783e+11
Pluto      3.792e+11