Obs. : 2010-09-23
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.677e+11
Venus      3.788e+11
Earth      3.829e+11
Mars       3.788e+11
Jupiter    3.833e+11
Saturn     3.700e+11
Uranus     3.833e+11
Neptune    3.818e+11
Pluto      3.879e+11