Obs. : 2020-05-24
Planet	Ly alpha (photons/cm^2/sec)
Mercury    6.311e+08
Venus      6.311e+08
Earth      6.362e+08
Mars       5.998e+08
Jupiter    6.073e+08
Saturn     6.073e+08
Uranus     6.212e+08
Neptune    6.014e+08
Pluto      6.073e+08