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Space.com on MSN9d
The sun just leaked a huge amount of helium-3 — the rare isotope scientists want to harvest on the moonThis isotope is found at a ratio of about one per 2,500 helium-4 ions, the latter being the common version of helium.
The NASA/ESA Solar Orbiter recently recorded the highest-ever concentration of a rare helium isotope (3He) emitted from the ...
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