New experiments suggest Earth's core contains up to 45 oceans' worth of hydrogen

cross-posted from: https://news.abolish.capital/post/26823

Scientists have long known that Earth's core is mostly made of iron, but the density is not high enough for it to be pure iron, meaning lighter elements exist in the core, as well. In particular, it's suspected to be a major reservoir of hydrogen. A new study, published in Nature Communications, supports this idea with results suggesting the core contains up to 45 oceans' worth of hydrogen. These results also challenge the idea that most of Earth's water was delivered by comets early on.

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