Obs. : 2020-09-01
Planet	Ly alpha (photons/cm^2/sec)
Mercury    5.988e+08
Venus      6.343e+08
Earth      6.337e+08
Mars       6.411e+08
Jupiter    6.185e+08
Saturn     6.227e+08
Uranus     6.439e+08
Neptune    6.309e+08
Pluto      6.185e+08