Obs. : 2026-08-02
Planet	Ly alpha (photons/cm^2/sec)
Mercury    6.786e+08
Venus      7.728e+08
Earth      7.045e+08
Mars       6.296e+08
Jupiter    7.028e+08
Saturn     6.733e+08
Uranus     6.304e+08
Neptune    6.947e+08
Pluto      6.996e+08