Obs. : 2024-07-19
Planet	Ly alpha (photons/cm^2/sec)
Mercury    1.044e+09
Venus      1.022e+09
Earth      1.022e+09
Mars       9.994e+08
Jupiter    9.994e+08
Saturn     1.034e+09
Uranus     1.013e+09
Neptune    1.036e+09
Pluto      1.029e+09