Obs. : 2024-05-11
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.873e+08
Venus      8.940e+08
Earth      9.970e+08
Mars       8.872e+08
Jupiter    9.124e+08
Saturn     9.076e+08
Uranus     9.124e+08
Neptune    8.965e+08
Pluto      9.069e+08