Obs. : 2024-08-26
Planet	Ly alpha (photons/cm^2/sec)
Mercury    1.057e+09
Venus      1.015e+09
Earth      9.810e+08
Mars       1.080e+09
Jupiter    1.058e+09
Saturn     9.810e+08
Uranus     1.029e+09
Neptune    9.892e+08
Pluto      9.807e+08