Obs. : 2014-07-01
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.598e+11
Venus      3.575e+11
Earth      4.292e+11
Mars       4.535e+11
Jupiter    3.665e+11
Saturn     4.482e+11
Uranus     3.556e+11
Neptune    3.761e+11
Pluto      4.242e+11