Obs. : 2013-06-17
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.306e+11
Venus      4.306e+11
Earth      4.394e+11
Mars       4.282e+11
Jupiter    4.300e+11
Saturn     4.577e+11
Uranus     4.297e+11
Neptune    4.217e+11
Pluto      4.394e+11