My 1,000
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   amazing      beautiful      discovery      genius      giant      important      important      invention      later      powerful      prediction      questions      right      scientists      similar      technology      time      universe      water      window  
Scientists have seen something in space for the first . They saw gravitational waves. These are waves in space that are to ripples in . They move outwards from the centre. Gravitational waves start when space objects hit each other. Albert Einstein first spoke about waves in space in 1916 in his General Theory of Relativity. One hundred years , the researchers have proved Einstein was . The researchers used technology to see the waves. Einstein did not have this . He used his to predict the waves existed.

The of gravitational waves is one of the most discoveries ever. A scientist from Arizona State University said it was as as the of the telescope. It will let see many new things in space and answer about our universe. The scientist said: "It has opened a new on the universe." He added that: "Using gravitational waves to explore the will allow us to see things we could have never seen before." He said it was that the discovery happened 100 years after Einstein's .

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