Ancient helium leaking from core offers clues to Earth's formation
Helium-3, a rare isotope of helium gas, is leaking out of Earth's core, a new study reports. Because almost all helium-3 is from the Big Bang, the gas leak adds evidence that Earth formed inside a solar nebula, which has long been debated.
from Latest Science News -- ScienceDaily https://ift.tt/xnbUAtE
from Latest Science News -- ScienceDaily https://ift.tt/xnbUAtE
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