What time lag exists when observing changes in Proxima Centauri from Earth?

Answer

Over four years

Since the star is 4.24 light-years away, any event occurring there takes over four years for its light to travel across space and reach observers on Earth.

What time lag exists when observing changes in Proxima Centauri from Earth?

#Videos

Proxima Centauri, Closest Star to our Sun - YouTube

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