/u/TheManBuzz's posts in /r/askscience

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I saw earlier in /r/todayilearned that there's a giant space cloud composed of water vapor. Is it possible that this will eventually form planets made exclusively of water?

1260 upvotes

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Is there any material that, when made in to an air tight vessel, can withstand a vacuum strong enough for the vessel to be less dense than air and float?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
I saw earlier in /r/todayilearned that there's a giant space cloud composed of water vapor. Is it possible that this will eventually form planets made exclusively of water?	1260
Is there any material that, when made in to an air tight vessel, can withstand a vacuum strong enough for the vessel to be less dense than air and float?	1