Obs. : 2022-07-18
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.348e+08
Venus      7.938e+08
Earth      8.257e+08
Mars       7.954e+08
Jupiter    8.118e+08
Saturn     8.257e+08
Uranus     7.883e+08
Neptune    8.108e+08
Pluto      8.387e+08