Obs. : 2013-11-24
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.169e+11
Venus      4.440e+11
Earth      3.871e+11
Mars       4.085e+11
Jupiter    3.862e+11
Saturn     4.169e+11
Uranus     4.236e+11
Neptune    4.470e+11
Pluto      4.412e+11