Hayabusa 2 reveals that carbonaceous chondrite asteroids are unlikely to survive entry to the atmosphere.

Jul 18, 12:55 AM
Photo: OSIRIS-REx Arrives at BennuAfter traveling through space for more than two years and over two billion miles, NASA’s Origins, Spectral Interpretation, Resource Identification, Security-Regolith Explorer (OSIRIS-REx) spacecraft arrived at its destination, asteroid Bennu, on Monday, Dec. 3, 2018. The spacecraft will spend almost a year surveying the asteroid with five scientific instruments with the goal of selecting a location that is safe and scientifically interesting to collect the sample. OSIRIS-REx will return the sample to Earth in September 2023.This series of images taken by the OSIRIS-REx spacecraft shows Bennu in one full rotation from a distance of around 50 miles (80 km). The spacecraft’s PolyCam camera obtained the thirty-six 2.2-millisecond frames over a period of four hours and 18 minutes.
Date | Taken on 25 November 2018
Source | https://www.asteroidmission.org/?attachment_id=12182 (image link); see also https://www.nasa.gov/feature/goddard/2018/osiris-rex-approach
Author | NASA/Goddard/University of Arizona
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Hayabusa 2 reveals that carbonaceous chondrite asteroids are unlikely to survive entry to the atmosphere.

https://behindtheblack.com/behind-the-black/points-of-information/hayabusa-2-carbon-rich-asteroids-too-delicate-to-reach-earth-surface/