Obs. : 2020-10-10
Planet	Ly alpha (photons/cm^2/sec)
Mercury    6.276e+08
Venus      6.427e+08
Earth      6.406e+08
Mars       6.406e+08
Jupiter    6.414e+08
Saturn     6.414e+08
Uranus     6.386e+08
Neptune    6.394e+08
Pluto      6.414e+08