Obs. : 2022-07-25
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.834e+08
Venus      8.787e+08
Earth      7.563e+08
Mars       8.090e+08
Jupiter    7.784e+08
Saturn     7.563e+08
Uranus     8.265e+08
Neptune    7.633e+08
Pluto      7.785e+08