Obs. : 2024-11-27
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.377e+08
Venus      9.435e+08
Earth      1.000e+09
Mars       1.009e+09
Jupiter    1.006e+09
Saturn     9.712e+08
Uranus     1.000e+09
Neptune    9.775e+08
Pluto      9.556e+08