LIGO-India

What is in the News ?

• The Union Cabinet on Thursday approved a project to build an advanced gravitational-wave detector in Maharashtra at an estimated cost of Rs 2,600 crore.
• The facility’s construction is expected to be completed by 2030.

Gravitational Waves

• Gravitational waves are ripples in the fabric of space and time that travel at the speed of light.
• They are created by the motion of massive objects, such as black holes or neutron stars, which generate gravitational waves when they orbit or collide with each other.
• According to Albert Einstein’s theory of general relativity, any object with mass warps the space-time around it. When two massive objects orbit each other or collide, they produce ripples or waves in space-time that propagate outward at the speed of light.
• Gravitational waves are extremely weak and difficult to detect. They were first directly detected by the Laser Interferometer Gravitational-Wave Observatory (LIGO) in 2015, a century after they were predicted by Einstein’s theory.

LIGO-India

• It shall be built in Hingoli district, Maharashtra.
• It shall be built by Department of Atomic Energy and the Department of Science and Technology with an MoU with the U.S. National Science Foundation.

Practice Questions for Prelims

Mains Practice Question

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