Obs. : 2020-11-08
Planet	Ly alpha (photons/cm^2/sec)
Mercury    6.648e+08
Venus      6.635e+08
Earth      6.754e+08
Mars       6.752e+08
Jupiter    6.732e+08
Saturn     6.732e+08
Uranus     6.768e+08
Neptune    6.753e+08
Pluto      6.732e+08