Obs. : 2024-04-12
Planet	Ly alpha (photons/cm^2/sec)
Mercury    7.956e+08
Venus      7.956e+08
Earth      8.935e+08
Mars       7.836e+08
Jupiter    8.261e+08
Saturn     7.836e+08
Uranus     8.261e+08
Neptune    7.850e+08
Pluto      8.009e+08