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LiveScience
LiveScience
Paul Sutter

Two stars spiraling toward catastrophe are putting Einstein's gravity to the test

Albert Einstein
Two stars blazing within a wispy gas cloud in space.

Astronomers have observed a pair of stars locked in a death spiral, and their dance of doom is revealing more about how gravity works.

The system, called ZTF J2130, sits about 4,000 light-years away. Although astronomers have known about this system for a while, this is the first time they have observed it with such high clarity.

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