Historical day for Mankind – Gravitational waves from black holes detected

Almost a century ago Albert Einstein had predicted about the possible existence of gravitational waves. A century after physicists have now confirmed one of his most elusive predictions of his general theory of relativity. Reports Science News.

India takes pride in this remarkable breakthrough in the field of physics as our Indian scientists also played important role in this quest.

“Until this moment we had our eyes on the sky and we couldn’t hear the music,” said Columbia University astrophysicist Szabolcs Marka, a member of the discovery team. “The skies will never be the same.”

In another galaxy, a billion or so light-years away, two black holes collided, shaking the fabric of spacetime. Here on Earth, two giant detectors on opposite sides of the United States quivered as gravitational waves washed over them. After decades trying to directly detect the waves, the recently upgraded Laser Interferometer Gravitational-Wave Observatory, now known as Advanced LIGO, appears to have succeeded, ushering in a new era of astronomy, Science News reported.

The discovery of these waves, created by violent collisions in the universe, excites astronomers because it opens the door to a new way of observing the cosmos. For them, it’s like turning a silent movie into a talkie because these waves are the soundtrack of the cosmos.

What are gravitational waves?

Colossal cosmic collisions and stellar explosions can rattle spacetime itself. General relativity predicts that ripples in the fabric of spacetime radiate energy away from such catastrophes. The ripples are subtle; by the time they reach Earth, some compress spacetime by as little as one ten-thousandth the width of a proton.

What can we learn from gravitational waves?

LIGO’s success is akin to Galileo turning his telescope toward the sky. Before that moment we knew little about the stars and planets. We didn’t realize there are other galaxies and had no concept of the immensity of the universe. Gravitational waves are a new way of seeing the cosmos. They are a striking confirmation of general relativity and will reveal cataclysmic explosions and collisions throughout the universe. But as with Galileo’s telescope, much of what gravitational waves can teach us is probably yet to be imagined.

Here is a summary about Gravitational waves.

Proud moment for Indians too, as Indian scientists also played an important role in this challenging quest as tweeted by our Proud Prime Minister Mr. Narendra Modi.

Team Yaar Pata Hai congratulates the whole team and feels Proud of Indian scientists for playing an important role.

References : sciencenews.org

ALSO READ; 5 interesting facts about Black hole

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