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Imagine two twins: one orbits close to a massive black hole while the other stays on Earth watching via livestream. After many Earth years, who will actually have aged less?

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Imagine two twins: one orbits close to a massive black hole while the other stays on Earth watching via livestream. After many Earth years, who will actually have aged less?

Imagine two twins: one orbits close to a massive black hole while the other stays on Earth watching via livestream. After many Earth years, who will actually have aged less?
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