M31, the Andromeda galaxy, is our closest big galactic neighbor, at a distance of 2.5 million light-years. It stands high in the east in early evening, and looks like a small, faint, hazy patch of light.
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M31, the Andromeda galaxy, is our closest big galactic neighbor, at a distance of 2.5 million light-years. It stands high in the east in early evening, and looks like a small, faint, hazy patch of light.