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Q&A How would an interstellar spaceship's speedometer work if everything else is moving?

Whatever means you use, it would make sense to have two measurements: Time To Destination (TTD) relative to yourself, and TTD relative to the destination. E.g one year for you, two years for the pe...

posted 2y ago by Strider‭

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#1: Initial revision by user avatar Strider‭ · 2022-11-18T01:30:57Z (about 2 years ago) 
Whatever means you use, it would make sense to have *two* measurements: Time To Destination (TTD) relative to yourself, and TTD relative to the destination. E.g one year for you, two years for the people waiting for you