China's Chang'e-6 spacecraft has delivered results even before the rocks and soil it collected could reach Earth. A European Space Agency probe that tagged along with the Chinese spacecraft has made a new discovery on the Moon's far side. The first European instrument to land on the Moon detected the presence of negative ions on the lunar surface . These could be produced through interactions with the solar wind. The Negative Ions at the Lunar Surface (NILS) instrument being operated by European scientists confirmed the detection of a new component of plasma at the surface of the Moon. This opens a new window for space physics and for human and robotic missions in an era of renewed lunar exploration.  moon "This was ESA's first activity on the surface of the Moon, a world-first scientifically, and a first lunar cooperation with China. We have collected an amount and quality of data far beyond our expectations," says Neil Melville, ESA's technical of...
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