Obs. : 2026-09-16
Planet	Ly alpha (photons/cm^2/sec)
Mercury    6.906e+08
Venus      7.021e+08
Earth      7.648e+08
Mars       7.486e+08
Jupiter    7.354e+08
Saturn     7.662e+08
Uranus     7.596e+08
Neptune    7.643e+08
Pluto      7.558e+08