Figure 8: The geometry near space-like
infinity: The “point” has
been blown up to a cylinder that is
attached to and . The physical space-time is
the exterior part of this “stovepipe”. The “spheres” and are
shown in blue and light green, respectively. The brown struts
symbolize the conformal geodesics used
to set up the construction. Note that they intersect and continue into the unphysical part.
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