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

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If you were to scale up the average human body so that the nuculei of the Hydrogen atoms therein were about equal to the size of the sun, how would be compare in size to the Milky Way galaxy and to the universe as a whole?

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Why are Helium and Hydrogen so common in the atmospheres of gaseous planets and so rare in terrestrial atmospheres.

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
If you were to scale up the average human body so that the nuculei of the Hydrogen atoms therein were about equal to the size of the sun, how would be compare in size to the Milky Way galaxy and to the universe as a whole?	1
Why are Helium and Hydrogen so common in the atmospheres of gaseous planets and so rare in terrestrial atmospheres.	1