Obs. : 2025-11-02
Planet	Ly alpha (photons/cm^2/sec)
Mercury    7.863e+08
Venus      7.734e+08
Earth      7.621e+08
Mars       7.863e+08
Jupiter    7.745e+08
Saturn     7.799e+08
Uranus     7.702e+08
Neptune    7.686e+08
Pluto      8.143e+08