asteroids

Space & Cosmos

Ryugu samples cast doubt on previous ideas about the formation of carbon-rich asteroids

About 2 million years after the formation of the solar system, the first carbonaceous chondrites, consisting of dust, chondrules, early condensates, and iron-nickel particles, aggregated outside the orbit of the still young Jupiter. About 2 million years later, CI chondrites were formed by photoevaporation. These incorporated particularly large amounts of iron-nickel particles. Credit: MPS (Fridolin Spitzer) Asteroid Ryugu may not…