Obs. : 2024-12-16
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.006e+08
Venus      8.567e+08
Earth      8.648e+08
Mars       8.631e+08
Jupiter    8.561e+08
Saturn     8.534e+08
Uranus     8.682e+08
Neptune    8.571e+08
Pluto      8.765e+08