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   beautiful      discovery      ever      first      genius      giant      great      later      outwards      prediction      questions      scientists      similar      something      stone      technology      universe      us      waves      window  
Scientists in the USA have seen amazing in space for the very time. They saw gravitational . These are waves that form in space and travel . The waves are to how ripples in water move outwards after you throw a in a lake. The gravitational waves in space start when two space objects hit each other. Albert Einstein first spoke about waves in space in 1916 when he made his General Theory of Relativity. One hundred years , the researchers have proved that Einstein's theory was right. The researchers used powerful to see the gravitational waves. Einstein did not have this technology. He used his to predict that the waves existed.

Scientists say the of the gravitational waves is one of the most important discoveries . Dr Lawrence Krauss, from Arizona State University, said the discovery was as as the invention of the telescope. He said it would let see many new things in space. It would also answer many about our universe. Dr Krauss said: "It has opened a new on the universe, just like the telescope." He added that: "Using gravitational waves to explore the universe will allow to see things we could have never seen before….It will also allow us to explore objects in the we’ve never seen before." He said it was that the discovery happened 100 years after Einstein's .

 
 

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