Obs. : 2009-03-07
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.471e+11
Venus      3.584e+11
Earth      3.479e+11
Mars       3.471e+11
Jupiter    3.394e+11
Saturn     3.431e+11
Uranus     3.586e+11
Neptune    3.471e+11
Pluto      3.339e+11