Obs. : 2026-08-14
Planet	Ly alpha (photons/cm^2/sec)
Mercury    7.187e+08
Venus      6.892e+08
Earth      7.242e+08
Mars       7.722e+08
Jupiter    7.187e+08
Saturn     7.683e+08
Uranus     7.844e+08
Neptune    7.583e+08
Pluto      6.858e+08