Obs. : 2026-08-12
Planet	Ly alpha (photons/cm^2/sec)
Mercury    7.627e+08
Venus      7.329e+08
Earth      6.936e+08
Mars       7.819e+08
Jupiter    7.627e+08
Saturn     7.497e+08
Uranus     7.798e+08
Neptune    7.491e+08
Pluto      6.581e+08