A detailed investigation of asteroid Ryugu samples has provided further evidence that the organic molecules which gave rise to life to our planet were brought here by ancient comets.
These space rock samples were returned to Earth by Japan's Hayabusa2 mission, which visited the spinning-top-like space rock Ryugu in 2018. Hayabusa2 spent around 18 months studying the asteroid and collecting surface material, which has proved to be a treasure trove of information about our solar system.
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