Obs. : 2013-12-23
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.157e+11
Venus      4.214e+11
Earth      3.819e+11
Mars       3.868e+11
Jupiter    3.802e+11
Saturn     3.979e+11
Uranus     3.996e+11
Neptune    4.166e+11
Pluto      4.185e+11