  Euclid, which is primarily a dark-energy/cosmology mission, may have a
microlensing component, consisting of perhaps four dedicated one-month
campaigns aimed at the Galactic bulge. We show that such a program would yield
excellent auxilliary science, including asteroseimology detections for about
100,000 giant stars, and detection of about 1000 Kuiper Belt Objects (KBOs),
down to 2--2.5 mag below the observed break in the KBO luminosity function at I
~26. For the 400 KBOs below the break, Euclid will measure accurate orbits,
with fractional period errors <~ 2.5%.
