Obs. : 2016-07-08
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.824e+11
Venus      3.824e+11
Earth      4.043e+11
Mars       4.180e+11
Jupiter    4.196e+11
Saturn     4.100e+11
Uranus     3.893e+11
Neptune    3.894e+11
Pluto      4.011e+11