Obs. : 2012-01-03
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.575e+11
Venus      4.573e+11
Earth      4.631e+11
Mars       4.543e+11
Jupiter    4.388e+11
Saturn     4.504e+11
Uranus     4.379e+11
Neptune    4.501e+11
Pluto      4.642e+11