This article describes one of the most important chapters in scientific history, which contributed to the modern understanding of the universe. Albert Einstein completed his theory of general relativity in 1915. This theory changed our understanding of the concepts of space, time and gravity, established by Isaac Newton. One prediction of the new theory was that light rays reaching us from distant stars, curve when they pass near the sun, because of the sun’s gravity and the nature of space and time. This prediction was confirmed through astronomical observations measuring the light reaching Earth from distant stars. When this result was published, it ignited a big excitement and interest in the scientific community and the general public, and Einstein became a superstar overnight.


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