The largest known spiral galaxy.

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The largest known spiral galaxy. With images.

Measuring tip-to-tip across its two outsized spiral arms, NGC 6872 spans more than 522,000 light-years, making it more than five times the size of our Milky Way galaxy.

For context, the Milky Way and its two Magellanic Clouds could easily fit inside this galaxy, with lots of room to spare.


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