Obs. : 2024-09-30
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.744e+08
Venus      9.218e+08
Earth      1.064e+09
Mars       9.854e+08
Jupiter    1.018e+09
Saturn     1.074e+09
Uranus     1.027e+09
Neptune    1.064e+09
Pluto      1.050e+09