What is a "Gravity Signals Detect At Light"? The Most Authoritative Explanation.

What is a "Gravity Signals Detect At Light"? The Most Authoritative Explanation.

How does gravity affect light?

Even the gravity from planets affects light, allowing researchers to detect worlds in orbit around other stars. This effect is called “ggravitational lensing”, and it’s used to discover faint astronomical objects and to study the “lenses” themselves through their gravitational effects.

How sensitive are LIGO detectors to gravitational waves?

Furthermore, just as traditional telescopes are only sensitive to a certain range of light wavelengths—ultraviolet, say, or radio—LIGO and similarly sized detectors are only built to pick up high-frequency gravitational waves.

Are gravitational waves the same as light?

In August 2017, the LIGOand Virgo detectors received gravitational wave signals within 2 seconds of gamma ray satellites and optical telescopes seeing signals from the same direction. This confirmed that the speed of gravitational waves was the same as the speed of light. History[edit]

How do you detect a gravitational wave?

Events are detected by measuring deformation of the detector sphere. MiniGRAIL is highly sensitive in the 2–4 kHz range, suitable for detecting gravitational waves from rotating neutron star instabilities or small black hole mergers.

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