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LIGO is a research facility designed to sense the space-time vibrations of gravitational waves from the depths of space with the aid of a laser interferometer. Visit the links below to learn more about gravitational waves and LIGO’s remarkable engineering.

• Gravitational Waves  Learn more about these mysterious signals from deep space.
• LIGO - A Gravitational-Wave Interferometer  Learn about interferometers, how LIGO actually works, and about the technology that makes the search for gravitational waves possible.
• Observatories and Collaborations  Learn about the other observatories and institutions around the world that collaborate with LIGO scientists.
• Look Deeper  Want to know even more? Explore these pages for a deeper dive into LIGO's science and engineering.