Obs. : 2014-10-22
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.236e+11
Venus      4.236e+11
Earth      4.547e+11
Mars       4.098e+11
Jupiter    4.369e+11
Saturn     4.110e+11
Uranus     4.585e+11
Neptune    4.547e+11
Pluto      4.137e+11