Obs. : 2018-06-25
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.588e+11
Venus      3.587e+11
Earth      3.629e+11
Mars       3.575e+11
Jupiter    3.670e+11
Saturn     3.590e+11
Uranus     3.605e+11
Neptune    3.572e+11
Pluto      3.579e+11