Obs. : 2026-05-31
Planet	Ly alpha (photons/cm^2/sec)
Mercury    7.836e+08
Venus      7.908e+08
Earth      7.960e+08
Mars       7.281e+08
Jupiter    7.908e+08
Saturn     7.251e+08
Uranus     7.545e+08
Neptune    7.261e+08
Pluto      7.550e+08