If an observer was traveling with a Lorentz factor that would make that observers time slower than someone's on Earth, what would that observer see watching a live video feed, or if it was possible to observe Earth with a telescope, and vice versa?(adsbygoogle = window.adsbygoogle || []).push({});

I understand that either party would only see light that's been reflected, or being broadcast from Earth (which is moving faster than and at the same relative speed for both parties),

However, relative the moving observer's time would be slower... What effect does this have on the perception of the light thats moving relative for both observers?

I'm trying to come to terms with whether the moving observer would see Earth in fast forward, or normal, and what Earth would observe if they had a live video feed or magic telescope looking at the moving observer?

Would Earth see the moving observer moving normally as they did at that point in the distant past wrt to the Lorentz factor?

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# Time DIlation and Observation

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