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Helium is light enough to escape Earth's atmosphere though. Eventually the atmosphere will run out of it.
by Mirioron 7y ago
Helium is light enough to escape Earth's atmosphere though. Eventually the atmosphere will run out of it.
- colechristensen 7y agoIt is also constantly being emitted by radioactive elements decaying on Earth, that's how it got in the natural gas deposits in the first place and also the atmosphere. Alpha decay makes helium, or more accurately is helium. An alpha particle is just a helium-4 nucleus.