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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.
NASA's Solar Dynamics Observatory captured a massive 'tornado' on the sun in multiple wavelengths. Unlike the Earth, ...
Expand your perspective with these 40 stellar photos from our last trip around the sun. French astronaut Thomas Pesquet looks out from the cupola of the International Space Station in an image ...
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