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Hollywood has many sci-fi movies about asteroids into Earth and destroying us all. The U.S. space agency NASA may have an answer to this end-of-the-world possibility. It has a spacecraft that could change the direction of an asteroid that might our planet. The spacecraft is called DART, which means Double Asteroid Redirection Test. The $325m craft set off on its journey in November 2021. Its goal to crash into an asteroid called Dimorphos. The mission was a success. DART with the centre of the asteroid at 24,000 kph on Monday. Scientists do not yet if they have the asteroid's direction. They will out from data they will in a few weeks' time.

It is the first time that humans have to change the direction of a space object. NASA spokesperson Glen Nagle said DART the first of many "planetary protection missions". He our chances of an asteroid hit to the end of the dinosaurs. He said: "We to have a better chance than the dinosaurs had 65 million years ago." He that in pre-history, all the dinosaurs could was to "look up and , 'Oh asteroid'". Another spokesperson, Lori Glaze, said DART a "new era for humankind". She said: "It's an era in which we potentially have the capability to ourselves from something like a dangerous, hazardous asteroid impact."

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