CAPE CANAVERAL, Fla. -- Europe’s Euclid space telescope has detected a rare halo of bright light around a nearby galaxy, astronomers reported Monday. The halo, known as an Einstein ring, encircles a ...
Einstein ring spotted around galaxy a ‘mere’ 500 million light years away - The discovery can help scientists test Albert Einstein’s general theory of relativity.
The structure is nearly 600 million light-years from Earth and is an early display of the nascent dark matter telescope's power.
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