Obs. : 2011-11-27
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.547e+11
Venus      4.696e+11
Earth      4.340e+11
Mars       4.422e+11
Jupiter    4.239e+11
Saturn     4.333e+11
Uranus     4.419e+11
Neptune    4.675e+11
Pluto      4.768e+11