Question

our neighboring galaxy​

Answer 1

The Andromeda galaxy is the closest big galaxy to our Milky Way. It’s a spiral galaxy, like ours. At 2.5 million light-years, it’s the most distant thing you can see with your eye alone.

View larger. | The Andromeda Galaxy with 2 of its satellite galaxies, via Flickr user Adam Evans.

Although several dozen minor galaxies lie closer to our Milky Way, the Andromeda galaxy is the closest large spiral galaxy to ours. Excluding the Large and Small Magellanic Clouds, which can’t be seen from northerly latitudes, the Andromeda galaxy – also known as M31 – is the brightest galaxy you can see. At 2.5 million light-years, it’s also the most distant thing visible to your unaided eye.

Answer 2

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☢️The Andromeda Galaxy (M31) is the closest spiral galaxy to us, and though it's gravitationally bound to the Milky Way, it's not the closest galaxy by far – being 2 million light years away.

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