Obs. : 2026-05-02
Planet	Ly alpha (photons/cm^2/sec)
Mercury    7.726e+08
Venus      7.675e+08
Earth      7.684e+08
Mars       7.894e+08
Jupiter    7.569e+08
Saturn     8.082e+08
Uranus     7.675e+08
Neptune    8.082e+08
Pluto      8.338e+08