Obs. : 2026-08-27
Planet	Ly alpha (photons/cm^2/sec)
Mercury    6.393e+08
Venus      6.339e+08
Earth      7.007e+08
Mars       7.060e+08
Jupiter    6.846e+08
Saturn     7.196e+08
Uranus     7.138e+08
Neptune    7.152e+08
Pluto      6.846e+08