Obs. : 2020-08-31
Planet	Ly alpha (photons/cm^2/sec)
Mercury    5.945e+08
Venus      6.426e+08
Earth      6.342e+08
Mars       6.397e+08
Jupiter    6.090e+08
Saturn     6.139e+08
Uranus     6.438e+08
Neptune    6.320e+08
Pluto      6.090e+08