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Thread: OSIRIS-REx, NASA, Washington, D.C., USA

  1. #21


    Arrival at asteroid Bennu

    Published on Dec 29, 2018

    On Dec. 3, 2018, the OSIRIS-REx spacecraft arrived at its destination: an ancient near-Earth asteroid called Bennu. Members of the mission team reflect on what we will learn by collecting a sample from Bennu, the milestones the mission has reached so far, and the challenges ahead.

  2. #22


    Bennu is an active asteroid

    Published on Mar 19, 2019

    NASA’s OSIRIS-REx mission returned the first scientific observations, revealing that asteroid Bennu is an active active asteroid. OSIRIS-REx (Origins, Spectral Interpretation, Resource Identification, Security-Regolith Explorer) is the first U.S. mission to sample an asteroid (near-Earth asteroid Bennu), retrieve surface material and return it to Earth for study in September 2023.

  3. #23


    Asteroid Bennu sample site finalists

    Published on Aug 12, 2019

    Since arriving at near-Earth asteroid Bennu in December 2018, NASA's OSIRIS-REx mission has been studying this small world of boulders, rocks, and loose rubble - and looking for a place to touch down. The goal of OSIRIS-REx is to collect a sample of Bennu in mid-2020, and return it to Earth in late 2023.

    Bennu turned out to be rockier than anticipated, but mission planners have now identified four sites on its surface that are smooth enough for OSIRIS-REx to collect a sample. The mission will down-select to the final two sites - a primary and a backup - in December 2019. Like the mythological Bennu bird for which the asteroid is named, all of the candidate sample sites refer to birds that can be found in Egypt.

  4. #24


    OSIRIS-REx - Asteroid Bennu candidate sample sites

    Published on Aug 12, 2019

    NASA’s OSIRIS-REx mission has as primary science objective to collect a sample from asteroid Bennu and return it to Earth. After mapping the asteroid’s surface, four candidate sample sites have been selected: Nightingale, Kingfisher, Osprey and Sandpiper. The candidate sample sites refer to birds that can be found in Egypt, as the asteroid is named after the mythological Bennu bird. The the final two sites, a primary and a backup sampling site, will be selected in December 2019.

  5. #25


    Surprises from Asteroid Bennu

    Dec 2, 2019

    The OSIRIS-REx team has already pushed the boundaries of scientific exploration -- going from ground-based radar images from Arecibo in Puerto Rico all the way to orbiting a few hundred meters from asteroid Bennu. The team is mere months away from a sample collection attempt at the asteroid surface. Before this attempt, we take a look back at some of the major achievements, surprises and challenges of sampling an asteroid with OSIRIS-REx.

  6. #26


    Asteroid Bennu Backup Sample Site: Osprey

    Dec 18, 2019

    The main science goal of NASA's OSIRIS-REx mission is to briefly touch down on near-Earth asteroid Bennu and collect a sample of fine-grained material, but the asteroid's unexpected roughness could pose a hazard to the spacecraft. After a year of scoping out Bennu's boulder-scattered surface, the OSIRIS-REx team has officially selected a primary and a backup sample collection site. The team concluded that a site designated "Osprey" - located in a crater just north of Bennu's equatorial bulge - is the best backup location in the event that OSIRIS-REx is unable to collect a sample from the primary site ("Nightingale").

  7. #27


    OSIRIS-REx meets Bennu’s surprises

    Sep 23, 2020

    The OSIRIS-REx team has already pushed the boundaries of scientific exploration — going from ground-based radar images from Arecibo in Puerto Rico all the way to orbiting a few hundred meters from asteroid Bennu. The team is mere days away from a sample collection attempt at the asteroid surface. Before this attempt, we take a look back at some of the major achievements, surprises and challenges of sampling an asteroid with OSIRIS-REx.

  8. #28


    Tour of Asteroid Bennu

    Oct 8, 2020

    When NASA’s OSIRIS-REx spacecraft arrived at asteroid Bennu in December 2018, its close-up images confirmed what mission planners had predicted nearly two decades before: Bennu is made of loose material weakly clumped together by gravity, and shaped like a spinning top. This major validation, however, was accompanied by a major surprise. Scientists had expected Bennu’s surface to consist of fine-grained material like a sandy beach, but were instead greeted by a rugged world littered with boulders – the size of cars, the size of houses, the size of football fields. Now, thanks to laser altimetry data and high-resolution imagery from OSIRIS-REx, we can take a tour of Bennu’s remarkable terrain.

  9. #29


    Watch NASA's OSIRIS-REx spacecraft attempt to capture a sample of Asteroid Bennu

    Streamed live Oct 21, 2020

    Let's do this, OSIRIS-REx! Time to journey #ToBennuAndBack. Tune in to our live broadcast as our spacecraft descends to the surface of asteroid Bennu, touches down for a few seconds & attempts to capture regolith (rocks and dust) using a “Touch-And-Go,” or TAG, maneuver. The spacecraft must target Bennu’s rocky surface with great accuracy, touching down within a rocky area just 52 ft (16 m) in diameter. During the maneuver, the spacecraft and the asteroid will be approximately 207 million miles (334 million km) from Earth.

    Live coverage from Lockheed Martin's facility in Denver, Colorado, with mission managers from the University of Arizona, Lockheed Martin, and NASA's Goddard Space Flight Center begins at 5 p.m. EDT.

    The spacecraft is scheduled to depart Bennu in 2021, and to deliver the collected sample to Earth on Sep. 24, 2023. It will be the first U.S. mission to carry samples from an asteroid back to Earth, and the largest sample returned from space since the Apollo era.

  10. #30


    NASA celebrates Osiris-Rex touchdown on Asteroid Bennu!

    Oct 20, 2020

    NASA's Osiris-Rex successfully touches Asteroid Bennu and collects samples to bring back to Earth for further observation and analysis. The samples are 200 million miles away and will be back to study in 2023.

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