Euclid Finds First Einstein Ring

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first strong gravitational lens

Space

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Science

Euclid 'dark universe' telescope discovers stunning Einstein ring in warped space-time (image)

Summary

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81% Informative

The Euclid space telescope has, by chance, discovered its first Einstein ring.

This perfectly circular Einstein ring has allowed researchers to "weigh" the dark matter at the heart of a galaxy almost 600 million light-years away.

The gravitational lens in question is the galaxy NGC 6505, located around 590 million light years away.

It was discovered by chance in one of the first patches of sky observed by Euclid.

The team's research was published on Monday ( Feb. 10 ) in the journal Astronomy & Astrophysics .

Euclid will help to study the nature and evolution of both dark matter and dark energy.

The result will be a detailed map of the distribution of matter, both visible and dark, in galaxies and galaxy clusters.

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English