Obs. : 2011-04-26
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.246e+11
Venus      4.246e+11
Earth      4.389e+11
Mars       4.246e+11
Jupiter    4.246e+11
Saturn     4.462e+11
Uranus     4.212e+11
Neptune    4.021e+11
Pluto      4.137e+11