Recently, scientists from NASA’s OSIRIS-REx mission discovered that surface regeneration occurs on asteroids far more quickly than on Earth. By analyzing high-resolution images of rock fractures on asteroid Bennu taken by the OSIRIS-REx spacecraft, the researchers discovered that the Sun’s heat frac
This mosaic of asteroid Bennu was created using observations made by NASA’s OSIRIS-REx spacecraft that was in close proximity to the asteroid for over two years. Credit: NASA/Goddard/University of Arizonadiscovered that surface regeneration occurs on asteroids far more quickly than on Earth. By analyzing high-resolution images of rock fractures on asteroid Bennu taken by thespacecraft, the researchers discovered that the Sun’s heat fractures rocks on Bennu in only 10,000 to 100,000 years.
The PolyCam aboard NASA’s OSIRIS-REx spacecraft provided high-resolution, microscope-like images of asteroid Bennu’s surface. This made it possible for researchers to map more than 1,500 rock fractures. Credit: NASA/Goddard/University of Arizona Same image as above, but with the fractures highlighted in red. Credit: NASA/Goddard/University of Arizona
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