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Astronomers detect heaviest element ever found in exoplanet atmospheres

By Ashley Strickland, CNN Astronomers have spotted an unexpected chemical element high within the atmosphere of two sizzling exoplanets where liquid iron and gems rain down from the skies. The two exoplanets, which orbit separate stars beyond our solar system, are ultrahot gas giants called WASP-76b and WASP-121b. Astronomers used the European Southern Observatory’s Very

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The DART mission successfully changed the motion of an asteroid

By Ashley Strickland, CNN The Double Asteroid Redirection Test successfully changed the trajectory of the asteroid Dimorphos when the NASA spacecraft intentionally slammed into the space rock on September 26, according to the agency. The DART mission, a full-scale demonstration of deflection technology, was the world’s first conducted on behalf of planetary defense. The mission

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