Obs. : 2025-09-06
Planet	Ly alpha (photons/cm^2/sec)
Mercury    7.672e+08
Venus      7.392e+08
Earth      7.831e+08
Mars       8.165e+08
Jupiter    7.165e+08
Saturn     7.642e+08
Uranus     7.266e+08
Neptune    7.539e+08
Pluto      8.037e+08