This asteroid has been full of surprises since a NASA spacecraft arrived to orbit it in December 2018.
원문출처 : https://www.cnn.com/2020/09/11/world/asteroid-bennu-particles-osiris-rex-nasa-scn/index.html
원문출처 : https://www.cnn.com/2020/09/11/world/asteroid-bennu-particles-osiris-rex-nasa-scn/index.html