Obs. : 2008-11-27
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.402e+11
Venus      3.399e+11
Earth      3.436e+11
Mars       3.402e+11
Jupiter    3.400e+11
Saturn     3.379e+11
Uranus     3.394e+11
Neptune    3.396e+11
Pluto      3.411e+11