Obs. : 2025-05-02
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.341e+08
Venus      8.430e+08
Earth      8.121e+08
Mars       8.117e+08
Jupiter    8.144e+08
Saturn     8.477e+08
Uranus     8.185e+08
Neptune    8.430e+08
Pluto      8.249e+08