Obs. : 2013-05-29
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.435e+11
Venus      4.435e+11
Earth      4.515e+11
Mars       4.448e+11
Jupiter    4.430e+11
Saturn     4.487e+11
Uranus     4.444e+11
Neptune    4.315e+11
Pluto      4.458e+11