Obs. : 2026-01-24
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.345e+08
Venus      8.345e+08
Earth      8.989e+08
Mars       8.433e+08
Jupiter    9.362e+08
Saturn     8.584e+08
Uranus     9.152e+08
Neptune    8.584e+08
Pluto      8.433e+08