Obs. : 2009-03-15
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.569e+11
Venus      3.562e+11
Earth      3.449e+11
Mars       3.468e+11
Jupiter    3.391e+11
Saturn     3.405e+11
Uranus     3.569e+11
Neptune    3.391e+11
Pluto      3.315e+11