this is a computer simulation of dart, the double asteroid redirection test, which could be our first line of defence if one of those lumps of rock comes heading our way. nature has given us a set up where we have an asteroid, a nearby asteroid, approaching close to earth, so that we can observe from earth based observatories, but this is a test. and this is how the test will work. astronomers have long been aware of a pair of asteroids called didymos and dimorphos. some time late next year, dart will target them, smash into them, trying to alter their course. these asteroids are of no danger to us but others might well be. if there was an asteroid that was a threat to the earth, what you would want to do this technique many years in advance, decades in advance such that you would just give
astronomers have long been aware of a pair of asteroids called didymos and dimorphos. some time late next year, dart will target them, smash into them, trying to alter their course. these asteroids are of no danger to us but others might well be. if there was an asteroid that was a threat to the earth, what you would want to do this technique many years in advance, decades in advance such that you would just give this asteroid a small nudge which would add up to a big change to its future position and then the asteroid and the earth wouldn t be on a collision course. of course, earth has not always been so lucky. around 65 million years ago a large asteroid crashed into our planet, killing off the dinosaurs. it has happened before, it could happen again. but dart may come to the rescue. tim allman, bbc news. the england and wales cricket board has suspended yorkshire county cricket club from hosting international and major matches, amid a row over racism. it comes after an investigatio
the test will work. astronomers have long been aware of a pair of asteroids called didymos and dimorphos. some time late next year, dart will target them, smash into them, trying to alter their course. these asteroids are of no danger to us but others might well be. if there was an asteroid that was a threat to the earth, what you would want to do this technique many years in advance, decades in advance such that you would just give this asteroid a small nudge which would add up to a big change to its future position and then the asteroid and the earth wouldn t be on a collision course. of course, earth has not always been so lucky. around 65 million years ago a large asteroid crashed into our planet, killing off the dinosaurs. it has happened before, it could happen again. but dart may come to the rescue. tim allman, bbc news. the world of entertainment has been paying tribute