top | item 39085631 (no title) _ihaque | 2 years ago Neon is produced from (cryogenic) separation of air, so, yes? discuss order hn newest credit_guy|2 years ago Well, fun fact: there is more helium in atmosphere (5.2 ppm) than methane (1.8 ppm). And it's not much less than neon (18 ppm).[1] https://climate.nasa.gov/news/2915/the-atmosphere-getting-a-...
credit_guy|2 years ago Well, fun fact: there is more helium in atmosphere (5.2 ppm) than methane (1.8 ppm). And it's not much less than neon (18 ppm).[1] https://climate.nasa.gov/news/2915/the-atmosphere-getting-a-...
credit_guy|2 years ago
[1] https://climate.nasa.gov/news/2915/the-atmosphere-getting-a-...