Shortly after Japan’s Hayabusa2 probe returned to Earth, JAXA showed off some of the samples it collected from asteroid Ryugu. Those rocks came from the “A” chamber of the probe’s sample capsule, which means they were collected during the mission’s first touchdown in February 2019. Now, JAXA has released photos showing the contents of the capsule’s “C” chamber, which it opened on December 21st.
We have not yet confirmed the origin of the artificial object (人工物). A projectile was used during the sample collection and it is possible that this is aluminium separated from the sampler horn at that time.
— HAYABUSA2@JAXA (@haya2e_jaxa) December 24, 2020
In JAXA’s tweet, it said the agency opened both chambers “B” and “C.” The “B” chamber is empty since it wasn’t used for collection, but the “C” chamber was used to collect samples during Hayabusa2’s second touchdown in July 2019. JAXA fired an explosive into the asteroid before the second touchdown to create a crater and be able to gather samples from deeper underground. Scientists are hoping that the subsurface samples can offer more clues about the solar system’s formation and early period, since they hadn’t been exposed to the hash environment of space.

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