Obs. : 2017-03-14
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.694e+11
Venus      3.630e+11
Earth      3.645e+11
Mars       3.573e+11
Jupiter    3.645e+11
Saturn     3.719e+11
Uranus     3.630e+11
Neptune    3.795e+11
Pluto      3.734e+11