Obs. : 2011-08-09
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.880e+11
Venus      3.911e+11
Earth      3.908e+11
Mars       3.949e+11
Jupiter    3.917e+11
Saturn     3.972e+11
Uranus     3.832e+11
Neptune    3.839e+11
Pluto      3.944e+11