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

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Does Mars have enough of an atmosphere to allow sound to travel through it?

7 upvotes

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What is the largest planet size that can feasibly support Earth life?

1 upvotes

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How fast would the more distant planets in the solar system need to be moving, to complete a full orbit of the sun at the same rate the Earth does? Would those planets be able to maintain such speeds?

1 upvotes

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Would a liquid ocean on other planets contain salt water, or would it be fresh water?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Does Mars have enough of an atmosphere to allow sound to travel through it?	7
What is the largest planet size that can feasibly support Earth life?	1
How fast would the more distant planets in the solar system need to be moving, to complete a full orbit of the sun at the same rate the Earth does? Would those planets be able to maintain such speeds?	1
Would a liquid ocean on other planets contain salt water, or would it be fresh water?	1