How far away is the Andromeda Galaxy from Earth?
Answer
2.5 million light-years
The Andromeda Galaxy is located approximately 2.5 million light-years away. Because of this vast distance, the light currently reaching Earth left the galaxy 2.5 million years ago. This creates a time-delayed view that allows observers to witness the galaxy as it appeared long before the evolution of modern humans.
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Andromeda and the Local Group (go to 2020 4K edition) - YouTube
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