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Scientists are preparing to receive pieces of a distant asteroid, which will fall to Earth over the weekend and could reveal where we came from. On Sunday, a sample collected by a Nasa spacecraft that landed on Asteroid Bennu will float down into the Utah desert, where it will be gathered by scientists. They will then start work on analysing that material, in the hopes of understanding how planets form and what our solar system was like in its distant past. Nasa sent its Osiris-Rex spacecraft to Bennu in 2016, and it touched down on the distant asteroid in 2020, and scooped up a piece. Since then, it has been flying back towards Earth to drop the sample back home. The sample dropped out of Osiris-Rex will float down into the desert, helped by a parachute that should safely allow it to fall to the ground. The spacecraft itself will continue to fly, on its way to start a new mission to study another asteroid towards the end of the decade. It is the US space agency’s first mission to collect a sample from an asteroid, and is the largest asteroid sample ever returned to Earth. The capsule is estimated to hold around 250g of rocks and dust collected from the asteroid’s surface. Nasa will release a quarter of the sample to a group of more than 200 people from more than 35 globally distributed institutions, including a team of scientists from The University of Manchester, and the Natural History Museum. Asteroid Bennu is a 4.5-billion-year-old remnant of our early solar system and scientists believe it can help shed light on how planets formed and evolved. Experts say the carbon-rich, near-Earth asteroid serves as a time capsule from the earliest history of the solar system. It is anticipated that the sample will provide important clues that could help us to understand the origin of organics and water that may have led to life on Earth. Because the sample has been collected directly from the asteroid, there will be almost zero contamination. Meteorites that fall to Earth are quickly contaminated from the second they make contact with our atmosphere. This means Bennu can give us an unspoiled glimpse into the past. Ashley King, UKRI future leaders fellow, Natural History Museum, said: “Osiris-Rex spent over two years studying asteroid Bennu, finding evidence for organics and minerals chemically altered by water. “These are crucial ingredients for understanding the formation of planets like Earth, so we’re delighted to be among the first researchers to study samples returned from Bennu. ‘We think the Bennu samples might be similar in composition to the recent Winchcombe meteorite fall, but largely uncontaminated by the terrestrial environment and even more pristine.” Dr Sarah Crowther, research fellow in the Department of Earth and Environmental Sciences at The University of Manchester, said: “It is a real honour to be selected to be part of the Osiris-Rex Sample Analysis Team, working with some of the best scientists around the world. “We’re excited to receive samples in the coming weeks and months, and to begin analysing them and see what secrets asteroid Bennu holds. “A lot of our research focuses on meteorites, and we can learn a lot about the history of the solar system from them. “But meteorites get hot coming through Earth’s atmosphere and can sit on Earth for many years before they are found, so the local environment and weather can alter or even erase important information about their composition and history. “Sample return missions like Osiris-Rex are vitally important because the returned samples are pristine, we know exactly which asteroid they come from and can be certain that they are never exposed to the atmosphere so that important information is retained.” The spacecraft launched on September 8, 2016 and arrived at Bennu in December 2018. After mapping the asteroid for almost two years, it collected a sample from the surface on October 20, 2020. The capsule is expected to land at 3.55pm (BST). Astrophysicist Professor Boris Gansicke, Department of Physics, University of Warwick, said: “The asteroids in our solar system contain the raw building blocks from which the Earth was made, so working out their composition will tell us a lot of how our planet formed. “There are many open questions, for instance where did the water that we have on Earth come from? And where did the ingredients that made life possible to develop come from? “To answer those questions, i.e. measure the composition of an asteroid, you need to get your ‘hands’ on them (or in this case the arm of a space mission), and this is what Osiris-Rex achieved. “In a nutshell, it’s similar to sitting in front of a delicious dinner and wanting to have the list of ingredients.” Additional reporting by agencies Read More You need to update your Apple devices right now Amazon Prime Video will soon start running ads – unless you pay even more Amazon Prime Video will soon start running ads unless you pay a monthly fee You need to update your Apple devices right now Amazon Prime Video will soon start running ads – unless you pay even more Amazon Prime Video will soon start running ads unless you pay a monthly fee

Frank Lampard said turning around Chelsea’s fortunes will be the next manager’s problem as he prepares to bow out from his interim role after Sunday’s game against Newcastle. The team’s wretched season slumped to a new low with a 4-1 thumping against Manchester United at Old Trafford on Thursday, the ninth defeat of Lampard’s 11 games in charge. If results go against them on the final day they could finish as low as 14th and equal their worst placing in the Premier League era. They are already guaranteed to end with their lowest points tally in the competition, with the fewest number of goals the club have scored in a Premier League campaign. Mauricio Pochettino is expected to be appointed as the club’s next permanent manager in the coming days and his in-tray will include quickly slimming down a bloated first-team squad and installing cohesion in a team that has lost its way since Graham Potter was sacked in April. Chelsea have won only once in the almost two months since Potter was removed seven months into a five-year contract, and the task of rediscovering the team’s form has seemingly grown more daunting with each defeat. A remedy has proved beyond Lampard in his short time in charge, and he was asked whether the incoming manager will have the toughest job of any Chelsea boss in the last 20 years. “It’s a good headline but I don’t know,” said Lampard. “It remains to be seen, I can’t jump into the future. “I think it is a fantastic job because it is the Chelsea job and when I took it first time (in 2019) I came I probably got it it was because a lot of top managers didn’t want that, I know that for a fact. “I enjoyed the process and I enjoyed coming in and I wish the new manager well. “I don’t know… it’s his problem I guess – is that the headline you wanted?” One of the hindering factors during Lampard’s reign has been the size of the squad, with 34 first-team players vying for selection following co-owner Todd Boehly’s whirlwind transfer activity during his first 12 months in control. It has meant limited playing time for younger members of the squad, even those signed for large fees and with high expectations. Carney Chukwuemeka joined from Aston Villa for £20million last summer but has struggled for minutes, whilst Noni Madueke arrived for £29m from PSV Eindhoven and has featured just 11 times. Both players started the loss at Old Trafford and played 82 minutes before being substituted and Lampard said he was pleased with the application of players that came in having not been regulars in the side. “I don’t want to go into individuals,” he said. “I thought Carney did really well (against United) coming in to midfield with personality. It has been one of the harder parts of my job with the numbers in the squad. “Going with a team to win important games and working with the younger players who we haven’t seen before because normally there is a process and a pre-season. “We haven’t had that time. I thought Carney did well, I thought Noni did pretty well again and the flip of that was that Azpi (Cesar Azpilicueta) was fantastic with his captaincy and attitude. “It is 70 per cent of the game how you apply yourself and your attitude.” Read More Charity boss speaks out over ‘traumatic’ encounter with royal aide Ukraine war’s heaviest fight rages in east - follow live Aryna Sabalenka to begin French Open against player who ‘hates’ her Andy Pilley steps down as chairman and director of Fleetwood ‘Business as usual’ as Chelsea look to wrap up Women’s Super League title

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More than 75,000 unionized Kaiser Permanente employees are returning to work after a historic three-day strike. But an even bigger, longer work stoppage could be just around the corner.