Obs. : 2013-12-10
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.860e+11
Venus      3.945e+11
Earth      4.209e+11
Mars       4.101e+11
Jupiter    4.204e+11
Saturn     3.880e+11
Uranus     3.969e+11
Neptune    3.948e+11
Pluto      3.929e+11