Obs. : 2014-10-18
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.079e+11
Venus      4.079e+11
Earth      4.210e+11
Mars       3.921e+11
Jupiter    4.239e+11
Saturn     4.018e+11
Uranus     4.004e+11
Neptune    3.965e+11
Pluto      3.911e+11