Obs. : 2020-11-28
Planet	Ly alpha (photons/cm^2/sec)
Mercury    6.697e+08
Venus      6.644e+08
Earth      7.241e+08
Mars       7.269e+08
Jupiter    7.133e+08
Saturn     7.133e+08
Uranus     7.241e+08
Neptune    7.324e+08
Pluto      7.133e+08