Obs. : 2010-01-26
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.638e+11
Venus      3.706e+11
Earth      3.599e+11
Mars       3.599e+11
Jupiter    3.691e+11
Saturn     3.539e+11
Uranus     3.573e+11
Neptune    3.691e+11
Pluto      3.567e+11