Chirp

Gravitational wave detection by LIGO (audio is a conversion of the detection signal)

The gravitational-wave event GW150914 observed by the LIGO Hanford (H1, left column panels) and Livingston (L1, right column panels) detectors.

Gravity Wave Evidence

The gravitational-wave event GW150914 observed by the LIGO Hanford (H1, left column panels) and Livingston (L1, right column panels) detectors.

B. P. Abbot et al., Phys. Rev. Lett. 116 p061102 (2016) “Observation of Gravitational Waves from a Binary Black Hole Merger”