Obs. : 2026-10-26
Planet	Ly alpha (photons/cm^2/sec)
Mercury    7.636e+08
Venus      7.767e+08
Earth      6.792e+08
Mars       7.321e+08
Jupiter    7.436e+08
Saturn     6.792e+08
Uranus     6.943e+08
Neptune    6.829e+08
Pluto      7.403e+08