Obs. : 2010-10-06
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.801e+11
Venus      3.934e+11
Earth      3.656e+11
Mars       3.934e+11
Jupiter    3.656e+11
Saturn     3.801e+11
Uranus     3.656e+11
Neptune    3.721e+11
Pluto      3.914e+11