Obs. : 2023-03-05
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.683e+08
Venus      8.744e+08
Earth      9.544e+08
Mars       8.862e+08
Jupiter    8.699e+08
Saturn     8.730e+08
Uranus     8.784e+08
Neptune    8.674e+08
Pluto      8.858e+08