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

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