En 2022, la mission DART (Double Asteroid Redirection Test) de la NASA a réalisé la première démonstration de défense planétaire de l’histoire. Le 26 septembre 2022, la sonde s’est volontairement écrasée à ~22 000 km/h sur Dimorphos, un astéroïde de 160 mètres orbitant autour de Didymos, situé à environ 11 millions de kilomètres de la Terre. Objectif : tester une technique dite d’« impacteur cinétique » et modifier la trajectoire d’un astéroïde en le percutant. Résultat : la période orbitale de
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En 2022, la mission DART (Double Asteroid Redirection Test) de la N…
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DART: Double Asteroid Redirection Test
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In 2022, NASA’s Double Asteroid Redirection Test (DART) spacecraft collided with the asteroid Dimorphos at 6.6 kilometres per second as it orbited its parent asteroid Didymos. Now, the European Space Agency (ESA) is preparing to launch its Hera probe to get a closer look at exactly how it was affected. It will launch from Cape Canaveral, Florida, on 7 October aboard a SpaceX Falcon 9 rocket and do a flyby of Mars in March next year on the way to the asteroid – but it won’t reach its final destin
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Asteroid deflection experiment ☄️💥 In 2022, NASA’s Double Asteroid Redirection Test (DART) slammed an uncrewed spacecraft into an asteroid named Dimorphos – which is 160 metres across but not heading towards our planet – and changed its trajectory slightly, suggesting that we could swat a space rock away in a real emergency. Methods other than this have yet to be tested, but the success of DART was a good omen for our chances against a genuine asteroid threat Tap link to learn more: https://www
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Just in case you missed yesterday's Double Asteroid Redirection Test (DART) impact, here is a sped-up version of the last five-and-a-half minutes of images from the spacecraft before it went boom. DART is a mission designed to test the kinetic impactor method of deflecting asteroids. Basically, we want to know if we can move asteroids on course for Earth by hitting them really, really hard. Yesterday's target was the asteroid moon Dimorphos. It orbits a larger asteroid named Didymos, which is vi
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