Ringdown gravitational waves from a black hole (IMAGE)

Nagoya University

Ringdown gravitational waves from a black hole

Caption

After a black hole is disturbed, it emits gravitational waves that fade over time, a signal called ringdown. These waves may reveal hidden matter nearby. Researchers found that this hidden matter would alter the frequency and fade-out speed by different amounts. This would change the waves in a distinctive way and give scientists a new approach to test Einstein's theory of general relativity.

Credit

Ariadna Uxue Palomino Ylla, Nagoya University

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