Helium-3 is leaking from Earth's core, scientists discover - Daily Mail

Some natural processes can produce helium-3, but it is made primarily in nebulae - massive, spinning clouds of gas and dust, with most traced back to the Big Bang.

Helium-3, a rare isotope of helium gas, has been found leaking out of the Earth's core, adding evidence to the theory the planet formed in a solar nebula.  Some natural processes can produce helium-… [+4588 chars]

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