Asteroid 2013 BO76 LIVE – Nasa says ‘close approach’ of giant space rock at 30,000mph on Thursday
Asteroid mystery solved, continued Currently, the theory is that Ryugu originated from debris left by the collision of two larger asteroids, but that doesn’t explain why the asteroid is so high in organic content, Newsweek noted. New findings published in The Astrophysical Journal Letters suggest Ryugu is, in fact, the remains of a dead or extinguished comet….