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It had previously been verified within our own galaxy.
http://uopnews.port.ac.uk/2018/06/22/einstein-proved-right-in-another-galaxy/
http://uopnews.port.ac.uk/2018/06/22/einstein-proved-right-in-another-galaxy/
The phrase refers to a recent study in which scientists used gravitational lensing to validate Einstein's theory of general relativity, specifically his prediction of how gravity would bend light. This study confirmed that the theory holds true even at a distance of 500 million light years away.
Scientists used data from the Hubble Space Telescope to observe a galaxy cluster located 500 million light years away. They looked for distortions in the light from distant galaxies caused by the cluster's gravitational pull, a phenomenon known as gravitational lensing. By analyzing these distortions, they were able to confirm Einstein's theory.
Einstein's theory of general relativity is a cornerstone of modern physics. This study provides further evidence that the theory accurately describes how gravity works on a large scale, as well as the behavior of light in the presence of massive objects. It also opens the door for future research and applications in areas such as astrophysics and cosmology.
Yes, there have been numerous studies that have provided evidence for general relativity, including the famous Eddington experiment in 1919 and the discovery of gravitational waves in 2015. However, this study is significant because it is the first time that the theory has been validated at such a large distance.
This study reinforces the idea that the laws of physics, as described by Einstein's theory, are consistent throughout the universe. It also supports the concept of a vast and dynamic universe, where the effects of gravity can be observed even on a cosmic scale. Additionally, this study may lead to further breakthroughs in our understanding of gravity and the nature of the universe.