  We address the problem of stitching together the vacuum, static,
planar-symmetric Taub spacetime and the flat Friedmann-Robertson-Walker
cosmology using the Israel thin-shell formalism. The joining of Taub and FRW
spacetimes is reminiscent of the Oppenheimer-Snyder collapse used in modeling
the formation of a singularity from a collapsing spherical ball of dust. A
possible mechanism for the formation of a planar singularity is provided. It is
hoped that tackling such example will improve our intuition on planar-symmetric
systems in Einstein's general relativity.
