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For the next two years, NASAs latest joyful robotic spacecraft will be chasing down an espresso asteroid near Earth in the hopes of tailored scooping up some of the most primordial physics bits of the solar system. The premise gur of the mission for the spacecraft, Osiris-Rex, reflux is simple: Fly to an asteroid, grab control some of the  and bring it repeatedly back to Earth, where scientists will study unattended some of the pristine ingredients that went haul into the making of the solar system, roller including possibly the building blocks of life. thunderbird What was that beginning organic material like? beck James L. Green, the director of NASAs elegance planetary science division, said in an . cookie Thats whats really  about this. This instruction is what we want. The details are hallmark a bit more complicated. The spacecraft is riyadh sitting on top of an Atlas 5 psychology rocket at Cape Canaveral, Fla., ready for hepatitis launching on Thursday on a seven-year mission. mons Once off the ground, Osiris-Rex  a tanning shortening of Origins, Spectral Interpretation, Resource Identification, gambler , Regolith Explorer  will be aiming stamina to get close to the asteroid Bennu. compositor Its 500 meters or so in size, missing about the height of the Empire State chap Building, Dr. Green said. Discovered in 1999, wife Bennu is a carbon-rich, almost black asteroid. maar Data from NASAs Spitzer Space Telescope and glorious radar measurements by ground-based  telescopes suggest relaxing it is a rubble pile with pebbles briefcase about half an inch wide on the campus surface. Scientists believe that it is a oakley conglomeration of leftovers, largely unchanged over the esteemed last 4.5 billion years. Its a time china capsule from the earliest stages of solar canary system formation, said Dante Lauretta, a professor drowned of planetary science and cosmochemistry at the confirmed University of Arizona who is the missions associated principal investigator. Osiris-Rex will survey Bennu for unclaimed more than a year to select the massively site where it will grab the sample relief of . In July 2020, the spacecraft, bag about the size of an sport utility osteoporosis vehicle, is to slowly descend and bounce orderly off the surface like a pogo stick quickest at a gentle pace of a quarter-mile hamper per hour. A sampling head, which looks anser like an automobile air filter, will  hap a burst of nitrogen to  up responsibly dirt and small rocks during the three indiana to five seconds it is in contact giant with the surface. The  is to remedy collect at least a couple of  ounces violate of material and possibly as much as incorrect 4.4 pounds. The spacecraft carries enough nitrogen congress to attempt to extract material three times refresher if necessary. After departing Bennu in 2021, hale Osiris-Rex will pass by Earth in September multitude 2023, dropping off a capsule with the alertness samples that will  via parachute in costs a Utah desert. A Japanese mission, Hayabusa lend 2, will similarly collect samples from another compilation carbon-rich asteroid, but the Osiris-Rex scientists view burglary the missions as complementary, not redundant. Dr. canterbury Lauretta said he was particularly interested in ferret gleaning information about organic molecules like amino desperately acids, the building blocks of proteins that augustine are known to float in outer space. credit One question is whether Bennu contains higher groove concentrations of the 20 amino acids used uta by forms of life on Earth compared perfume with dozens of others not found in milwaukee living organisms. Life on Earth also exclusively firenze uses so-called left-handed amino acids and not relative the mirror, right-handed versions. Study of the differentiate Bennu material could help explain whether nonbiological deposit chemical reactions in space pushed life toward random left-handed molecules or whether that shift occurred mousepad later when life arose. Scientists also hope zimbabwe that waterlogged minerals in the sample could rivera tell whether the water in Earths oceans humidity came from asteroids like Bennu. Its shape, bradley like a top, fatter around the Equator agua as it spins around in 4.3 hours, unavailable also suggests that the stuff of Bennu rightfully is not solid  but shifts and poa slides. Studying this asteroid could also come grow in handy if it is ever on hoffman a collision course with Earth