Obs. : 2016-12-16
Planet	Ly alpha (photons/cm^2/sec)
Mercury    2.558e+11
Venus      2.545e+11
Earth      2.431e+11
Mars       2.528e+11
Jupiter    2.405e+11
Saturn     2.472e+11
Uranus     2.457e+11
Neptune    2.528e+11
Pluto      2.558e+11