Obs. : 2013-11-16
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.017e+11
Venus      4.137e+11
Earth      4.444e+11
Mars       4.083e+11
Jupiter    4.353e+11
Saturn     4.057e+11
Uranus     4.352e+11
Neptune    4.250e+11
Pluto      4.113e+11