Question

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> First of all times, detected the gravitational waves.

• A. LIGO
• B. ISS
• C. Chang'e 4

Answer 1

The correct option is A LIGO

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> The gravitational waves were detected by both of the twin Laser Interferometer Gravitational-wave Observatory (LIGO) detectors, located in Livingston ( Louisiana,USA) and Hanford (Washington, USA).