If the topology of spacetime can be warped such as in the case of a wormhole, is it theoretically possible for a “bubble” of space time to form and separate (pinch off) from the rest of the universe? (Imagine a wormhole with a bulge in the middle and both openings then closed). Or is this type of curvature impossible?
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If the topology of spacetime can be warped such as in the case of a wormhole, is it theoretically possible for a “bubble” of space time to form and separate (pinch off) from the rest of the universe? (Imagine a wormhole with a bulge in the middle and both openings then closed). Or is this type of curvature impossible?
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