Obs. : 2022-12-31
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.549e+08
Venus      8.454e+08
Earth      8.685e+08
Mars       8.534e+08
Jupiter    8.093e+08
Saturn     8.286e+08
Uranus     8.381e+08
Neptune    8.112e+08
Pluto      8.454e+08