Obs. : 2024-10-31
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.146e+08
Venus      9.256e+08
Earth      1.028e+09
Mars       1.048e+09
Jupiter    1.065e+09
Saturn     9.990e+08
Uranus     1.053e+09
Neptune    1.009e+09
Pluto      9.641e+08