In "groundbreaking discovery," Webb telescope spots record number of stars in distant galaxy [CBS News]
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Source: CBS News
The study, published Monday in Nature , said the researchers used a technique called gravitational lensing to identify the stars. The phenomenon occurs when light bends around a large celestial body, making objects in space seem closer than they appear. Because of this, the scientists behind the study were able to get a look at 44 stars in the "Dragon Arc," a part of the Abell 370 galaxy cluster. The arc is about 6.5 billion light-years away from Earth. Without gravitational lensing, trying to identify individual stars so far away would be like trying to look at dust on the moon, the Harvard-Smithsonian Center for Astrophysics said in a statement Even with gravitational lensing acting as a magnifying glass, researchers can usually only spot one or a few stars at a time. Light bent around the galaxy cluster, the Center for Astrophysics said, and turned the Dragon Arc, which is normally spiral-shaped, into a "hall of mirrors of cosmic proportions." That allowed researchers to see d
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