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The video discusses how the James Webb Space Telescope has provided new evidence that challenges current theories about the origins of the universe. The telescope's first images revealed galaxies that were previously unseen and raised questions about the existing cosmology and theories of the universe's beginnings. Some scientists and opponents of the Big Bang theory have already claimed that the James Webb telescope proves the theory wrong. However, the video emphasizes the need for careful examination of the telescope's discoveries and urges viewers to consider what the telescope has actually observed. The video mentions the image of the galaxy cluster Smacks 0723, located approximately 4.6 billion light-years away, which appears compressed in the image due to the gravitational lensing effect. It also highlights that the image is not a realistic representation of the cosmos and that astronomers rely on techniques such as measuring the speed of light and redshift to determine distances and ages of celestial objects. The video concludes by stating that the James Webb telescope's ability to peer even further into the past challenges previous assumptions about the earliest stages of the universe and raises doubts about the accuracy of current theories related to the Big Bang.
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