Obs. : 2011-09-17
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.380e+11
Venus      4.348e+11
Earth      4.563e+11
Mars       4.453e+11
Jupiter    4.522e+11
Saturn     4.328e+11
Uranus     4.536e+11
Neptune    4.563e+11
Pluto      4.571e+11