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

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What is the farthest distance at which we have observed parallax?

8 upvotes

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Why do some people NOT get PTSD after traumatic/military experiences?

8 upvotes

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As new objects are identified in the night sky, is there some single central database where the basic info is recorded -- or how are these discoveries coordinated?

8 upvotes

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What was the density, and the dimensions, of the cloud of dust & gas that our solar system formed from?

6 upvotes

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Why does earth have a crust? In theory, could earth have formed with the mantle continuing to the surface?

5 upvotes

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By what mechanism do practice mutes (for string instruments) work? (Examples in comments). Based on your answer, is there any way I could build a more effective mute for myself?

5 upvotes

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What fraction of the night sky can be seen between sunset and sunrise? (assuming you live on the equator)

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Is there a limit to the number of new elements that can be created? (i.e. how do we KNOW there can't be an n=500 ?)

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Are all cities built along rivers?

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In a particle accelerator, do the particles move in a perfect circle? How do they attain that without having an infinite number of accelerator thingies?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
What is the farthest distance at which we have observed parallax?	8
Why do some people NOT get PTSD after traumatic/military experiences?	8
As new objects are identified in the night sky, is there some single central database where the basic info is recorded -- or how are these discoveries coordinated?	8
What was the density, and the dimensions, of the cloud of dust & gas that our solar system formed from?	6
Why does earth have a crust? In theory, could earth have formed with the mantle continuing to the surface?	5
By what mechanism do practice mutes (for string instruments) work? (Examples in comments). Based on your answer, is there any way I could build a more effective mute for myself?	5
What fraction of the night sky can be seen between sunset and sunrise? (assuming you live on the equator)	5
Is there a limit to the number of new elements that can be created? (i.e. how do we KNOW there can't be an n=500 ?)	5
Are all cities built along rivers?	4
In a particle accelerator, do the particles move in a perfect circle? How do they attain that without having an infinite number of accelerator thingies?	3