Obs. : 2011-12-13
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.410e+11
Venus      4.322e+11
Earth      4.442e+11
Mars       4.581e+11
Jupiter    4.349e+11
Saturn     4.522e+11
Uranus     4.353e+11
Neptune    4.357e+11
Pluto      4.341e+11