Hi,
I’ve been reading about earth likes and articles [such as this one](https://www.usatoday.com/story/news/nation/2023/09/12/nasa-exoplanet-water-life/70830603007/) have really piqued my interest – specifically the mentioning of planets that “could be a “Hycean” world with a hydrogen-rich atmosphere and a surface covered by ocean water.”
How could a planet with an atmosphere of flammable gas like Hydrogen not just become one big celestial Hindenburg? Why couldn’t the whole atmosphere just burn up if you were to light a match, or two rocks were to click together and spark?
In: 1
Hydrogen requires a sufficient source of oxygen to burn, if the atmosphere doesn’t have enough oxygen then it cannot sustain combustion. And if it has low oxygen it might be able to initially burn but it will use up the fuel quickly.
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