Obs. : 2020-10-07
Planet	Ly alpha (photons/cm^2/sec)
Mercury    6.203e+08
Venus      6.320e+08
Earth      6.279e+08
Mars       6.279e+08
Jupiter    6.340e+08
Saturn     6.340e+08
Uranus     6.275e+08
Neptune    6.244e+08
Pluto      6.340e+08