Obs. : 2014-01-16
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.078e+11
Venus      4.099e+11
Earth      3.943e+11
Mars       4.296e+11
Jupiter    3.998e+11
Saturn     4.246e+11
Uranus     4.060e+11
Neptune    4.052e+11
Pluto      4.127e+11