Obs. : 2024-12-19
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.852e+08
Venus      8.818e+08
Earth      8.941e+08
Mars       8.970e+08
Jupiter    8.871e+08
Saturn     8.693e+08
Uranus     8.731e+08
Neptune    8.663e+08
Pluto      8.850e+08