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by pfdietz
656 days ago
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Non-paywalled article explaining the discovery. https://www.bas.ac.uk/media-post/discovery-of-a-long-sought-... According to wikipedia, 10-15% of Earth's hydrogen escape is in the polar wind, along with most of the escaping helium. Non-thermal helium escape debunks a creationist claim that lack of helium build up in the atmosphere requires a young Earth. |
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