Obs. : 2010-09-30
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.851e+11
Venus      3.861e+11
Earth      3.809e+11
Mars       3.861e+11
Jupiter    3.844e+11
Saturn     3.851e+11
Uranus     3.844e+11
Neptune    3.767e+11
Pluto      3.830e+11