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Earth's Ambipolar Electrostatic Field
- pfdietz 2y agoNon-paywalled article explaining the discovery. https://www.bas.ac.uk/media-post/discovery-of-a-long-sought-global-electric-field-on-earth/ 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.