@Kyresti I mean jupiter is less than 1% stuff other than hydrogen and helium.

@starkatt @Kyresti It would've been a brief lifetime but yeah, planets can definitely form out of *just* hydrogen - they'd still be rare though, since most places with enough gas density to form those would simply have lead to outright star formation at the time.

@Thaminga @Kyresti forgetting that gas giants are a thing is a good argument against posting as I'm going to bed though :)

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