Obs. : 2009-11-15
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.551e+11
Venus      3.449e+11
Earth      3.579e+11
Mars       3.487e+11
Jupiter    3.663e+11
Saturn     3.393e+11
Uranus     3.636e+11
Neptune    3.663e+11
Pluto      3.620e+11