Obs. : 2010-08-27
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.798e+11
Venus      3.916e+11
Earth      3.630e+11
Mars       3.857e+11
Jupiter    3.612e+11
Saturn     3.808e+11
Uranus     3.612e+11
Neptune    3.582e+11
Pluto      3.820e+11