Space
Two dead stars provide low-tech way to test Einstein
The orbit of a binary star system is changing so quickly due to gravitational waves that you could measure it with your wristwatch
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The orbit of a binary star system is changing so quickly due to gravitational waves that you could measure it with your wristwatch
They may live fast and die young, but massive stars also prefer to spend their time in pairs, a find that affects our understanding of galactic evolution