Obs. : 2026-10-06
Planet	Ly alpha (photons/cm^2/sec)
Mercury    7.713e+08
Venus      7.713e+08
Earth      7.417e+08
Mars       7.078e+08
Jupiter    7.020e+08
Saturn     7.344e+08
Uranus     7.318e+08
Neptune    7.344e+08
Pluto      7.722e+08