Obs. : 2024-01-17
Planet	Ly alpha (photons/cm^2/sec)
Mercury    1.001e+09
Venus      9.988e+08
Earth      9.543e+08
Mars       1.001e+09
Jupiter    1.084e+09
Saturn     1.079e+09
Uranus     1.088e+09
Neptune    1.076e+09
Pluto      1.055e+09