Published September 23,2023
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A NASA house capsule carrying a pattern of rocky materials plucked from the floor of an asteroid three years in the past hurtled towards Earth this weekend headed for a fiery plunge by way of the ambiance and a parachute touchdown within the Utah desert on Sunday.
Weather forecasts have been favorable and the robotic spacecraft OSIRIS-REx was on target to launch the sample-return capsule for closing descent as deliberate, with no additional changes to its flight path wanted, NASA officers mentioned at a news briefing on Friday.
Mission managers expect a “spot-on” landing on the U.S. navy’s huge Utah Test and Training vary, west of Salt Lake City, mentioned Sandra Freund, program supervisor at Lockheed Martin, which designed and constructed the spacecraft.
The spherical, gumdrop-shaped capsule is scheduled to land by parachute at 10:55 a.m. EDT (1455 GMT), about 13 minutes after streaking into the highest of the ambiance at roughly 35 occasions the pace of sound, capping a seven-year voyage.
If profitable, the OSIRIS-REx mission, a joint effort between NASA and scientists on the University of Arizona, would mark the third asteroid pattern, and by far the most important, ever returned to Earth for evaluation, following two related missions by Japan’s house company over the previous 13 years.
OSIRIS-REx collected its specimen from Bennu, a carbon-rich asteroid found in 1999 and labeled as a “near-Earth object” as a result of it passes comparatively near our planet each six years. Scientists put the chances of it putting Earth at 1-in-2,700 within the late twenty second century.
Bennu is small as asteroids go, measuring simply 1,600 toes (500 meters) in diameter – barely wider than the Empire State Building is tall however tiny in contrast with the cataclysmic Chicxulub asteroid that struck Earth some 66 million years in the past, wiping out the dinosaurs.
Like different asteroids, Bennu is a primordial relic of the early photo voltaic system whose present-day chemistry and mineralogy are nearly unchanged because it fashioned some 4.5 billion years in the past. It thus holds precious clues to the origins and improvement of rocky planets equivalent to Earth, and will even include natural molecules much like these needed for all times to evolve.
“We’re literally looking at geologic materials that formed before Earth even existed,” Dante Lauretta, principal investigator for the mission on the University of Arizona, Tucson, informed reporters final month.
OSIRIS-REx launched in September 2016 and reached Bennu in 2018, then spent almost two years orbiting the asteroid earlier than venturing shut sufficient to sink its robotic arm into the free floor on Oct. 20, 2020, in a grab-and-go maneuver.
The spacecraft launched into a 1.2-billion-mile cruise again to Earth in May 2021.
The Bennu pattern is estimated at 250 grams (8.8 ounces), far surpassing the quantity of fabric carried again from asteroid Ryugu in 2020 and asteroid Itokawa in 2010.
On arrival, the brand new pattern shall be flown by helicopter to a “clean room” arrange on the Utah check vary for preliminary examination, then transported to NASA’s Johnson Space Center in Houston, to be parceled into smaller specimens promised to some 200 scientists in 60 laboratories all over the world.
The fundamental portion of the OSIRIS-REx spacecraft, in the meantime, is anticipated to sail on to discover one more near-Earth asteroid.
Source: www.anews.com.tr