Obs. : 2016-01-10
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.277e+11
Venus      4.120e+11
Earth      4.435e+11
Mars       4.231e+11
Jupiter    4.423e+11
Saturn     4.120e+11
Uranus     4.345e+11
Neptune    4.367e+11
Pluto      4.188e+11