Obs. : 2020-08-10
Planet	Ly alpha (photons/cm^2/sec)
Mercury    6.288e+08
Venus      6.427e+08
Earth      6.408e+08
Mars       6.456e+08
Jupiter    6.439e+08
Saturn     6.439e+08
Uranus     6.478e+08
Neptune    6.418e+08
Pluto      6.439e+08