Obs. : 2011-08-29
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.177e+11
Venus      4.125e+11
Earth      4.234e+11
Mars       4.230e+11
Jupiter    4.248e+11
Saturn     4.143e+11
Uranus     4.203e+11
Neptune    4.211e+11
Pluto      4.259e+11