Obs. : 2013-05-16
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.607e+11
Venus      4.607e+11
Earth      4.561e+11
Mars       4.734e+11
Jupiter    4.522e+11
Saturn     4.495e+11
Uranus     4.655e+11
Neptune    4.489e+11
Pluto      4.559e+11