Obs. : 2013-05-13
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.597e+11
Venus      4.597e+11
Earth      4.489e+11
Mars       4.770e+11
Jupiter    4.490e+11
Saturn     4.572e+11
Uranus     4.968e+11
Neptune    4.710e+11
Pluto      4.467e+11