Obs. : 2023-12-02
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.138e+08
Venus      9.528e+08
Earth      8.504e+08
Mars       8.855e+08
Jupiter    8.304e+08
Saturn     8.083e+08
Uranus     8.504e+08
Neptune    8.138e+08
Pluto      7.968e+08