Obs. : 2024-12-22
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.489e+08
Venus      9.426e+08
Earth      9.850e+08
Mars       9.844e+08
Jupiter    9.797e+08
Saturn     9.351e+08
Uranus     9.706e+08
Neptune    9.307e+08
Pluto      9.526e+08