Obs. : 2013-05-02
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.257e+11
Venus      4.233e+11
Earth      4.693e+11
Mars       4.257e+11
Jupiter    4.287e+11
Saturn     4.814e+11
Uranus     4.319e+11
Neptune    4.327e+11
Pluto      4.579e+11