Obs. : 2011-04-22
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.592e+11
Venus      4.489e+11
Earth      4.235e+11
Mars       4.592e+11
Jupiter    4.712e+11
Saturn     4.553e+11
Uranus     4.489e+11
Neptune    4.111e+11
Pluto      3.969e+11