Obs. : 2008-11-05
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.395e+11
Venus      3.548e+11
Earth      3.470e+11
Mars       3.488e+11
Jupiter    3.552e+11
Saturn     3.376e+11
Uranus     3.472e+11
Neptune    3.505e+11
Pluto      3.548e+11