Obs. : 2009-03-05
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.460e+11
Venus      3.503e+11
Earth      3.476e+11
Mars       3.460e+11
Jupiter    3.366e+11
Saturn     3.440e+11
Uranus     3.553e+11
Neptune    3.460e+11
Pluto      3.326e+11