Obs. : 2025-11-15
Planet	Ly alpha (photons/cm^2/sec)
Mercury    7.905e+08
Venus      7.807e+08
Earth      7.959e+08
Mars       7.905e+08
Jupiter    8.375e+08
Saturn     7.725e+08
Uranus     8.076e+08
Neptune    7.725e+08
Pluto      8.081e+08