Obs. : 2024-02-24
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.816e+08
Venus      8.730e+08
Earth      8.569e+08
Mars       8.730e+08
Jupiter    8.573e+08
Saturn     9.011e+08
Uranus     8.573e+08
Neptune    8.965e+08
Pluto      8.663e+08