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After months of prying and jimmying , NASAscientists have at last start the canister containing material scrape from the " potentially hazardous " asteroid Bennu , the federal agency announced on Thursday ( Jan. 11 ) .
The sample — rough 8.8 ounces ( 250 grams ) of rough infinite rubble collected by the OSIRIS - male monarch spacecraft — is thought to take some of the earliest precursors to life and is the first chunk of a infinite rock and roll ever grabbed by a NASA mission .
NASA’s OSIRIS-REx curation engineer, Neftali Hernandez, fixes one of the tools made to remove the two final fasteners to the capsule.
NASA had already collected 2.5 ounce ( 70 g ) of the sample from the canister ’s lid , but two stuck fastener stopped scientists from reaching the material inwardly . After creating new tools to slay the stubborn grip , NASA engineers finally unsealed the container on Wednesday ( Jan. 10 ) .
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" Our applied scientist and scientist have worked indefatigably behind the scenes for month to not only sue the more than 70 gramme of material we were capable to access previously , but also plan , produce , and test new puppet that countenance us to move past this hurdle,“Eileen Stansbery , chieftain of NASA ’s ar ( Astromaterials Research and Exploration Science ) divisionsaid in a instruction . " The innovation and commitment of this team has been singular . We are all excited to see the remaining treasure OSIRIS - king holds . "
An artist’s illustration of OSIRIS-REx above the asteroid Bennu’s surface.
NASA scientists first call back the canister shot on Sept. 24 after it hurtled back to Earthaboard the OSIRIS - king capsuleat speeds of up to 27,000 Swedish mile per hour ( 43,000 kilometers per hour ) . After a seven - year , 4 billion - geographical mile ( 6.4 billion kilometer ) round slip , the capsule deploy its parachute and safely land in the Utah desert before being transported to Johnson Space Center in Houston .
The handgrip - up on retrieving the ejector seat ’s precious cargo was because of two out of its total of 35 fastener getting stick . To prevent contamination NASA had to preapprove any tools used to give the narrow container . The result amount in the form of two clinch - like tools made from surgical steel ; these were first tested in a rehearsal lab to shew they could safely remove the clasp .
Now that the boxful has been opened , NASA says it will follow a " few additional disassembly steps " before it can snap , extract , weigh and process the remaining sample distribution . Small pieces scraped from the eyelid have already been sent around the universe for analysis , and will before long be followed by the content find inside .
Two images taken by NASA’s OSIRIS-REx spacecraft show the sampling arm touch the surface of asteroid Bennu.
Bennu is apotentially hazardous asteroidthat has a 1 - in-2,700 chance of come upon Earth in the class 2182 — the highest odds of any bang space object . But the scientist are more concerned in what ’s pin inside the space rock : the possible extraterrestrial precursors of spirit on Earth .
" This is the large carbon - rich asteroid sampling ever returned to Earth , " NASA AdministratorBill Nelsonsaid ata news conferenceupon the sample ’s return . " Carbon and water molecules are on the button the elements we wanted to find out . They ’re important elements in the formation of our own satellite , and they ’re conk out to help oneself us find out the source of elements that could have moderate to living . "
Earth ’s urine is older than the planet itself and was in all probability brought here by star-shaped andcomet impact . But water likely was n’t the only stuff asteroid land to Earth ; the building stop of life likely jerk a ride on a place tilt , too . Bennu is a vitamin B - eccentric asteroid , which means it contains high-pitched amount of money ofcarbonand , potentially , many of the primeval molecules present when life emerged on Earth .
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Some of these construction city block — include U , one of the nucleobases forRNA — were recentlyfound on the asteroid Ryuguby the Japan Aerospace Exploration Agency ’s Hayabusa2 ballistic capsule , which returned to Earth with its rock sample distribution in 2020 . OSIRIS - king mission scientist are hoping to find other such biological precursors inside the Bennu sample .
OSIRIS - king mission scientists spentnearly two years searchingfor a landing place site on Bennu ’s craggy open before the spacecraft touched down to gather the sample . Upon make contact with the asteroid , OSIRIS - REx fired a fit of nitrogen from its Touch - and - Go Sample - Acquisition Mechanism to both deposit the landing and prevent the craft from go under through the asteroid .
The blast sent rocks and junk careening around the craft , and some of that jolting junk landed in a canister aboard OSIRIS - REx . A follow - up blast of OSIRIS - REx ’s pusher later lift it from Bennu , and the space vehicle complete a number of flypast before leave the asteroid for Earth in May 2021 .
Now that the sampling has arrived , scientists around the humans will begin analyze it for clew about how oursolar scheme , and the life history on our planet , came to be .
