Obs. : 2024-01-31
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.368e+08
Venus      9.182e+08
Earth      8.607e+08
Mars       9.368e+08
Jupiter    8.430e+08
Saturn     9.300e+08
Uranus     8.326e+08
Neptune    9.059e+08
Pluto      9.359e+08