Obs. : 2026-06-14
Planet	Ly alpha (photons/cm^2/sec)
Mercury    7.693e+08
Venus      7.642e+08
Earth      7.759e+08
Mars       7.833e+08
Jupiter    7.642e+08
Saturn     8.091e+08
Uranus     7.790e+08
Neptune    8.188e+08
Pluto      7.857e+08