Obs. : 2013-12-26
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.412e+11
Venus      4.331e+11
Earth      3.910e+11
Mars       4.007e+11
Jupiter    3.925e+11
Saturn     4.123e+11
Uranus     3.867e+11
Neptune    4.078e+11
Pluto      4.409e+11