Obs. : 2024-10-19
Planet	Ly alpha (photons/cm^2/sec)
Mercury    1.011e+09
Venus      1.029e+09
Earth      8.939e+08
Mars       8.933e+08
Jupiter    8.783e+08
Saturn     9.122e+08
Uranus     8.707e+08
Neptune    8.939e+08
Pluto      9.824e+08