Obs. : 2024-05-29
Planet	Ly alpha (photons/cm^2/sec)
Mercury    1.055e+09
Venus      1.051e+09
Earth      9.371e+08
Mars       1.011e+09
Jupiter    1.051e+09
Saturn     9.325e+08
Uranus     1.055e+09
Neptune    9.770e+08
Pluto      8.969e+08