Earth’s Core Is Leaking A Surprising Amount Of Ancient Helium-3 - Forbes

Earth’s core is not only rich with the rare and ancient isotope of helium-3, but is leaking it in a surprising amount.

The center of Lagoon Nebula, captured by the Hubble Telescope. Nebulae are the primary sources of ... [+] helium-3, and the amount of He-3 leaking from the Earths core suggests the planet formed insi… [+3237 chars]

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