File:Faster than light implies time travel diagram.svg
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[edit]DescriptionFaster than light implies time travel diagram.svg |
English: Spacetime diagram showing that moving faster than light implies time travel in the context of special relativity. A spaceship departs from Earth from A to C slower than light. At B, Earth emits a tachyon, particle that travels faster than light but forward in time in Earth's reference frame. It reaches the spaceship at C. The spaceship then sends another tachyon back to Earth from C to D. This tachyon also travels forward in time in the spaceship's reference frame. This effectively allows Earth to send a signal from B to D, back in time. A longer explanation can be seen at: https://physics.stackexchange.com/questions/13001/does-superluminal-travel-imply-travelling-back-in-time/615079#615079 This diagram was created manually with Inkscape. |
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Source | Own work |
Author | Cirosantilli2 |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 11:02, 26 February 2021 | 400 × 400 (16 KB) | Cirosantilli2 (talk | contribs) | Uploaded own work with UploadWizard |
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