Obs. : 2020-06-10
Planet	Ly alpha (photons/cm^2/sec)
Mercury    6.425e+08
Venus      6.441e+08
Earth      6.408e+08
Mars       6.262e+08
Jupiter    6.326e+08
Saturn     6.326e+08
Uranus     6.418e+08
Neptune    6.262e+08
Pluto      6.326e+08