Obs. : 2024-07-14
Planet	Ly alpha (photons/cm^2/sec)
Mercury    1.063e+09
Venus      1.062e+09
Earth      1.080e+09
Mars       1.068e+09
Jupiter    1.072e+09
Saturn     1.063e+09
Uranus     1.068e+09
Neptune    1.057e+09
Pluto      1.102e+09