Obs. : 2008-06-26
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.456e+11
Venus      3.441e+11
Earth      3.419e+11
Mars       3.493e+11
Jupiter    3.424e+11
Saturn     3.493e+11
Uranus     3.431e+11
Neptune    3.406e+11
Pluto      3.455e+11