Obs. : 2018-07-10
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.509e+11
Venus      3.542e+11
Earth      3.567e+11
Mars       3.483e+11
Jupiter    3.648e+11
Saturn     3.531e+11
Uranus     3.354e+11
Neptune    3.402e+11
Pluto      3.507e+11