Obs. : 2011-03-29
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.907e+11
Venus      3.635e+11
Earth      4.342e+11
Mars       3.728e+11
Jupiter    3.830e+11
Saturn     4.150e+11
Uranus     3.728e+11
Neptune    3.635e+11
Pluto      3.726e+11