Obs. : 2013-06-16
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.355e+11
Venus      4.355e+11
Earth      4.390e+11
Mars       4.349e+11
Jupiter    4.341e+11
Saturn     4.603e+11
Uranus     4.378e+11
Neptune    4.234e+11
Pluto      4.390e+11