Obs. : 2025-03-16
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.221e+08
Venus      9.221e+08
Earth      9.837e+08
Mars       9.050e+08
Jupiter    9.015e+08
Saturn     8.960e+08
Uranus     9.136e+08
Neptune    9.221e+08
Pluto      8.584e+08