Obs. : 2023-02-10
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.843e+08
Venus      8.905e+08
Earth      9.880e+08
Mars       9.700e+08
Jupiter    9.256e+08
Saturn     8.857e+08
Uranus     9.444e+08
Neptune    9.124e+08
Pluto      8.843e+08