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Rex spacecraft sent to asteroid to try and stop humanity getting wiped out Bennu comes past Earth every six years and could come so close in 150 years that it hits us.
The odds are tiny less than one tenth of 1 per cent but that is still significant. And while the rock itself wouldn't destroy Earth, though could cause huge destruction, there are asteroids flying around By sending the craft to Bennu, scientists will be able to learn more about the still somewhat mysterious paths of asteroids, and help them predict when one might collide with us. It might also help them learn more pandora i heart u charm bracelet about what to do if one is. Osiris Rex will hover like a hummingbird over Bennu, according to Lauretta, as the spacecraft's 10ft (3m) mechanical arm touches down like a pogo stick on the surface for three to five seconds. Thrusters will shoot out nitrogen gas to stir up the surface, and the loose particles will be sucked up into the device. Spacecraft managers call it "the gentle high five." They get just three shots at this, before the nitrogen gas runs out and the effort abandoned. The team opted for this touch and go procedure instead of landing to increase the odds of success. Despite extensive observations of Bennu from ground and space telescopes, no one knows exactly what to expect there, and it could be difficult if not impossible to anchor a spacecraft on the surface, Lauretta said. Osiris Rex's freed sample container pandora charms son the same kind used for the comet dust retrieval will parachute down with the pristine asteroid treasure in Utah. The mother spacecraft, meanwhile, will continue its orbit pandora charms for sale of the sun. Among the 8,000 Nasalaunch guests was the schoolboy who came up with the asteroid's name for a contest. Twelve year old Mike Puzio of Greensboro, pandora jewelry online shop North Carolina, cheered as he watched his first up close rocket launch: "It was awesome!" "Unbelievable," added Dr. Larry Puzio, his pediatrician dad. The name Bennu comes from the heron of Egyptian mythology. Mike thought Osiris Rex looked like a bird, with its twin solar wings and long arm outstretched for a sample grab. And with the spacecraft named after the Egyptian god Osiris, Bennu was an obvious choice, he said. Osiris Rex is also a Nasaacronym for origins, spectral interpretation, resource identification, security regolith explorer. The estimated cost of the mission is more than $800m (603m). "Space exploration brings out the best in us," Nye said shortly before Osiris Rex began its journey. "It is an extraordinary use of our intellect and treasure to elevate humankind, to help us know our place in the cosmos." Additional reporting by agencies Click the Adblock/Adblock Plus icon, which is to the right of your address bar.
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