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Event horizon – from the observer’s point of view, the event horizon is the set of those places in spacetime around the black hole where, from his point of view, time stands still.
Event horizon – from the observer’s point of view, the event horizon is the set of those places in spacetime around the black hole where, from his point of view, time stands still.
Lewis Carroll writes about military space programmes, policy, technology and the industry that supports the sector. He spent nearly two decades covering the military, the Pentagon, Congress and the defence industry as a journalist for Space Chatter magazine.