Gravitational waves

                                        Gravitational waves 

Albert Einstein had confirmed the gravity waves given in(1915) his theory of relativity.

Einstein's Theory of Relativity, which deals with time and the creation of the universe as a whole entity.

                                                       

Clash of black holes.

Before understanding the Gravitational wave we have to know about gravity what is gravity?

If the mass of an object is very high, such as the Newton stars sun and the deformed black hole, then they attract an object of less weight than themselves.  This is called gravity.

                                               

show gravity

When two very heavy bodies collide with each other.  The wave resulting from their collision is called Gravitional wave.

The gravitational wave is not so easy to realize because as it reaches the earth, its dimensions are greatly reduced amount of distortion is about 10−21 which is very small in terms of measurement.

We will understand gravitational-wave through several examples.

                                                       

exm- ball an bedsheet

For example, we take a bedsheet and a ball.  If the bedsheet is our space and ball is our earth.We see in the picture that we put the ball on the bedsheet.The bedsheet is buried downwards and a wave forms around the bedsheet .
                                       

exm- balls and bedsheet

Now if we place another ball on the bedsheet  second ball start rolling slowly like the first ball and  then the two balls collide.

Note : About 100 years ago, Einstein, in his theory of relativity, understood the power hidden in gravity and saw the detailed creation of the entire universe, and confirmed that gravitational waves also travel at the speed of light.

The scientists of the LIGO team tried hard to get a glimpse of the gravitational waves twice in a few months. Two large black holes orbiting each other and coming close to each other collided with each other. Coincidentally, many scientists studied their collision and by experiments proved the arrival of gravitational waves on Earth.

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First collision - Significantly, on February 11, 2016, LEGO scientists announced that two black holes whose mass were 29 and 36 times heavier than the mass of our Sun, collided with each other to form a new and much larger one. Black holes were born and a large amount of gravitational waves were born simultaneously.

first time detect gravitational wave - LIGO

Second collision - Incidentally, in about three months, the scientists of the Lego team got a glimpse of the gravitational waves for the second time. This collision was experienced in our Earth's laboratories on June 15, 2016 this year. This time, two black holes whose mass was 14.2 and 7.5 times the mass of our Sun collided together and formed a new black hole in each other. This time also, scientists presented evidence of gravitational waves.The mass of this new black hole was indicated to be 20.8 times greater than the mass of our Sun and at the same time more and more information was received about the gravitational waves on Earth.

Three scientists were awarded the Nobel Prize in Physics for the discovery of gravitational waves.

LIGO- NOBEL PRIZE

Gravitational waves finally captured

On September 14, 2015, the gravitational waves of the universe were first observed. The waves predicted by Albert Einstein a hundred years ago came from a collision between two black holes. It took 1.3 billion years for waves to reach the LIGO detector in the United States.

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