Obs. : 2023-01-02
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.456e+08
Venus      8.436e+08
Earth      8.753e+08
Mars       8.663e+08
Jupiter    8.118e+08
Saturn     8.378e+08
Uranus     8.478e+08
Neptune    8.154e+08
Pluto      8.436e+08