NASA's OSIRIS-REx sample collection from asteroid Bennu exceeded expectations in material quantity, slowing the curation process. Advanced analysis methods are underway, with a more detailed examination planned for the coming weeks. The initial curation process for NASA’s OSIRIS-REx sample of ast
NASA curation team members along with Lockheed Martin recovery specialists look on after the successful removal of the sample return canister lid. Credit: NASA/Robert Markowitzsample collection from asteroid Bennu exceeded expectations in material quantity, slowing the curation process. Advanced analysis methods are underway, with a more detailed examination planned for the coming weeks.
Animation of NASA’s OSIRIS-REx spacecraft leaving the surface of asteroid Bennu after collecting a sample. Credit: NASA’s Goddard Space Flight Center/CI Lab/SVSThe first sample collected from outside the TAGSAM head, on the avionics deck, is now in the hands of scientists who are performing a quick-look analysis, which will provide an initial understanding of the Bennu material and what we can expect to find when the bulk sample is revealed.
The quick-look research will utilize various instruments, including a scanning electron microscope , infrared measurements, and X-ray diffraction , to gain a better understanding of the sample. The SEM will offer a chemical and morphological analysis, while the infrared measurements should provide information on whether the sample contains hydrated minerals and organic-rich particles. The X-ray diffraction is sensitive to the different minerals in a sample and will give an inventory of the minerals and perhaps an indication of their proportions.
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続きを読む »
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