Obs. : 2024-11-26
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.383e+08
Venus      9.467e+08
Earth      1.004e+09
Mars       1.001e+09
Jupiter    1.005e+09
Saturn     9.794e+08
Uranus     1.004e+09
Neptune    9.874e+08
Pluto      9.606e+08