Obs. : 2024-07-16
Planet	Ly alpha (photons/cm^2/sec)
Mercury    1.071e+09
Venus      1.070e+09
Earth      1.076e+09
Mars       1.080e+09
Jupiter    1.074e+09
Saturn     1.062e+09
Uranus     1.080e+09
Neptune    1.067e+09
Pluto      1.098e+09