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  Sunday, December 8, 2019
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A team of international scientists has observed a distant galaxy
A team of international scientists has observed a distant galaxy that has never been glimpsed before, so remote that its light takes billions of light-years to reach the earth, researchers said Sunday. Spectacular images of the far-off galaxy were spied through the Hubble space telescope and confirmed by the Keck observatory in Hawaii. The scientists revealed their findings during the annual meeting of the American Association for the Advancement of Science that runs here until Monday. It took 13 billion light-years for light from the galaxy to reach the earth, light that was first emitted from the galaxy when the universe was just 750 million years old, according to the scientists. "The galaxy we have discovered is extremely faint, and verifying its distance has been an extraordinary challenging adventure," explained astronomer Jean-Paul Kneib, of the California Institute of Technology and the Midi-Pyrenees observatory in France, the principal investigator who helped confirmed the sighting. The location of the galaxy was plotted through a long exposure of the Abell 2218 cluster taken with the Hubble space telescope, and confirmed with telescopses based at the Keck laboratory, informs TheAustralian The Keck observatory in Hawaii confirmed Hubble's findings, which were made using it's "gravitational lensing", based on Einstein's theory of relativity and announced at the yearly meeting of the American Association for the Advancement of Science, reports ShortNews According to IOL "the galaxy we have discovered is extremely faint, and verifying its distance has been an extraordinary challenging adventure," explained astronomer Jean-Paul Kneib, of the California Institute of Technology and the Midi-Pyrenees observatory in France, the principal investigator who helped confirmed the sighting. The galaxy was spotted with the help of so-called "gravitational lensing," which is based on Albert Einstein's theory of relativity. "Our study has only been possible by pushing our current observatories to the limits of their capabilities," Kneib said.
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