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Light years and real time

faslan
in Astronomy and Cosmology

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some times a question comes to my mind

please some one tell me

 

example if i'm looking a star at night it's 10 light year distance from earth

so realy i'm seeing what is ten years before. is im right ?.

Yes, if you could go through a portal that would bring you to the star instantly, then you would find that the star have aged ten years and moved slightly since it emitted the light you can see here today.

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