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التيار الوطني الحر
Source: التيار الوطني الحر
2 Daysالتيار الوطني الحر
Source: التيار الوطني الحر
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The European spacecraft Hera has captured the first close-up image of the asteroids Didymos and Dimorphos, which NASA targeted with its DART spacecraft in 2022. The image shows part of Didymos that the American spacecraft had not observed before the impact. The collision shortened Dimorphos’s orbital period by 33 minutes—more than scientists had expected. Hera will examine the effects and measure the additional push produced by the ejection of rocks and dust. Scientists hope the mission’s findings will help make impact technology a reliable tool for diverting an asteroid that could threaten Earth.
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