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

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Weight considerations aside, would lining a spacecraft with lead protect astronauts from harmful cosmic radiation?

464 upvotes

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The Hubble Space Telescope gives us clear, majestic views of nebulae hundreds of light years away, but only a blurry smudge of Neptune in our own back yard. Why is this?

1 upvotes

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Do dogs have “ancestral”memory? Things they know but have no way of ever having learned?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Weight considerations aside, would lining a spacecraft with lead protect astronauts from harmful cosmic radiation?	464
The Hubble Space Telescope gives us clear, majestic views of nebulae hundreds of light years away, but only a blurry smudge of Neptune in our own back yard. Why is this?	1
Do dogs have “ancestral”memory? Things they know but have no way of ever having learned?	1