Obs. : 2020-07-15
Planet	Ly alpha (photons/cm^2/sec)
Mercury    6.199e+08
Venus      6.260e+08
Earth      6.287e+08
Mars       6.207e+08
Jupiter    6.287e+08
Saturn     6.299e+08
Uranus     6.230e+08
Neptune    6.199e+08
Pluto      6.287e+08