Obs. : 2015-10-10
Planet	Ly alpha (photons/cm^2/sec)
Mercury    2.725e+11
Venus      2.749e+11
Earth      2.359e+11
Mars       2.734e+11
Jupiter    2.734e+11
Saturn     2.505e+11
Uranus     2.308e+11
Neptune    2.361e+11
Pluto      2.447e+11