Obs. : 2022-07-09
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.132e+08
Venus      7.978e+08
Earth      8.553e+08
Mars       8.406e+08
Jupiter    8.877e+08
Saturn     8.873e+08
Uranus     8.406e+08
Neptune    8.972e+08
Pluto      8.553e+08