Japan Aerospace Exploration Agency (JAXA), etc.Announce, gas was detected in sand samples from the asteroid Ryugu brought back by the probe Hayabusa 2. These include rare gases such as helium and neon. It is reported that it is the first time in the world to bring asteroid gas directly back to Earth. Related papersPublished in the journal Science Advances. The researchers also detected nitrogen and argon, but due to their similarities to Earth’s gas characteristics, they were likely mixed into Earth’s air upon return. The detected helium and neon have gas signatures that differ from Earth’s and may have been carried to the surface of the asteroid by the solar wind.
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