If I were to take a really really really (light years) long stick and push something on the end of it, would it happen “instantly”?

Question

Obviously theoretical but if I took a light year long stick and say pushed a button at the other end would that button be pushed at the same time for me as say someone standing at the button? How does the frame of reference work when physically moving something? And could that “work” as a method of instant communication?

In: Planetary Science

Answer 1

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