Obs. : 2025-12-02
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.023e+08
Venus      8.267e+08
Earth      8.607e+08
Mars       8.161e+08
Jupiter    8.637e+08
Saturn     8.062e+08
Uranus     8.553e+08
Neptune    8.228e+08
Pluto      8.118e+08