B. R. Steadman
Abstract
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Studying the behaviour of null geodesics in Bonnor's rotating dust cloud solution reveals a peculiar central region. This region cannot be penetrated by null geodesics from spatial infinity. Conversely, null geodesics from within the region cannot extend to spatial infinity. There is no event horizon.
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Studying the behaviour of null geodesics in Bonnor's rotating dust cloud solution reveals a peculiar central region. This region cannot be penetrated by null geodesics from spatial infinity. Conversely, null geodesics from within the region cannot extend to spatial infinity. There is no event horizon.
Key concepts: Physics, Null (SQL), Geodesic, Infinity, Horizon, Geodesics in general relativity, Event horizon, Classical mechanics