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Oxygen (mander.xyz)

submitted 1 year ago by [email protected] to c/curatedtumblr

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harrystyles

What if oxygen is poisonous and it just takes 75-100 years to kill us?

hair-old-styles

My science teacher said he thinks that's true actually

thepiodern

Yeah this is actually pretty much what is going on. It's why anti-oxidants are such a big deal. Bonus fact: oxygen oxidizes stuff in your cells or, in other words, it's not toxic, just setting you in fire very slowly.

broliloquy

What if there are aliens out there but they subsist on entirely different substances and they're just scared as shit of us and our crazy ass hell planet? Once in a while some alien anthropologist type suggests checking out the on this inhabited planet out towards the galaxy's edge. The other aliens just look at the naive academic with horror. No!! We do not go to that world. That is where DEATH BREATHERS live. They recreationally consume poisons and are more or less composed of biological fire. Their atmosphere is made of rocket fuel. We must leave the DEATH BREATHERS in peace. Do not go there. Do not.

paradisemantis

I am so fucking inspired.

Jensen-is-the-vessel

Death Breather

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[–] [email protected] 9 points 1 year ago

It's hard to compare to exoplanets as we barely even know their sizes let alone densities. But in our solar system earth is the densest of 5.5g/cm3. Close are only Mercury 5.4 and Venus 5.2. Then you have Mars 3.9, Io 3.5, Moon 3.3, Europa 3.0, Triton 2.0, Ganymede 1.9, Pluto 1.9, Callysto 1.8...

Is not a big sample size, but I'd still assume that such dense planets (high gravity for their size) as Earth are not very common.