Muon experiment reveals more detail of asteroid Ryugu

Ryugu samples awaiting muon analysis

Stone samples brought back to Earth from asteroid Ryugu have had their elemental composition analyzed using an artificially generated muon beam from the particle accelerator in Japan Proton Accelerator Research Complex (J-PARC). Researchers found a number of important elements needed to sustain life, including carbon, nitrogen, and oxygen, but also found the oxygen abundance in asteroid Ryugu was different from all meteorites that have been found on Earth, reports a new study in Science.

Please refer to the press release for details.

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