Obs. : 2011-05-21
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.391e+11
Venus      4.391e+11
Earth      4.037e+11
Mars       4.391e+11
Jupiter    4.381e+11
Saturn     4.407e+11
Uranus     4.295e+11
Neptune    4.021e+11
Pluto      3.982e+11