Slicing the Sun

Sydney D'Silva
Michigan State University

The sun oscillates. These oscillations observed at
the solar surface can be used to study its interior.
One of the techniques that slices the sun to
investigate its interior is `Helioseimic Tomography'.
It holds a potential to study the subsurface magnetic
field structure of sunspots, subsurface convective flows
and the nature of the solar dynamo that drives the myriad
of phenomena at and above the solar surface.
Tomography has a long history in medicine, geology,
radio astronomy and cosmology. Its application to
the sun is still in its infancy. The technique and its
development will be discussed