What type of meteorite sample, analyzed from the Hayabusa2 mission to Ryugu, supported the asteroid delivery hypothesis?

Answer

CI chondrites

Samples from the asteroid Ryugu, specifically water-rich CI chondrites, were found to have a water composition closely matching that of Earth's oceans, providing compelling support for asteroidal delivery.

What type of meteorite sample, analyzed from the Hayabusa2 mission to Ryugu, supported the asteroid delivery hypothesis?
OriginEarththeorywatercomet