/u/RoflCopter4's posts in /r/askscience

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Only show posts with narrations

For how much longer from now will new stars continue to be born? When will space "run out" of available, fusion-able, material to birth new stars?

18 upvotes

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A simple question: Why does the CO2 "head" linger after pouring a beer, but not when pouring a can of cola?

16 upvotes

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Ignoring radioactivity, would Plutonium and Uranium be considerable more toxic to life than other heavy metals like mercury or lead?

13 upvotes

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How dangerous is the use of lead pipes for water? If they're dangerous, would people historically have suffered commonly from lead toxicity?

12 upvotes

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Why is oxygen the third most common element in the Milky Way?

11 upvotes

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The Saturn V remains the largest rocket ever launched into space. Has space technology advanced to the point that we don't need rockets that big ever again?

10 upvotes

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People who live in cold climates will have to burn more calories to stay warm. Is this number high enough that it has a practical effect on obesity in these places?

10 upvotes

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NASA says the orbit of the ascent module of the Apollo 11 LM would have decayed and impacted the moon a few months after being left there by the astronauts. With no atmosphere on the moon, how would that stable orbit have decayed?

9 upvotes

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How commonly would small terrestrial planets like Earth have a moon as proportionally large as we do? Is our moon an astronomical rarity, or would it probably happen all the time? Is it at all necessary for life?

8 upvotes

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Why do atoms form bonds and ions at all? Where does the energy come from?

7 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
For how much longer from now will new stars continue to be born? When will space "run out" of available, fusion-able, material to birth new stars?	18
A simple question: Why does the CO2 "head" linger after pouring a beer, but not when pouring a can of cola?	16
Ignoring radioactivity, would Plutonium and Uranium be considerable more toxic to life than other heavy metals like mercury or lead?	13
How dangerous is the use of lead pipes for water? If they're dangerous, would people historically have suffered commonly from lead toxicity?	12
Why is oxygen the third most common element in the Milky Way?	11
The Saturn V remains the largest rocket ever launched into space. Has space technology advanced to the point that we don't need rockets that big ever again?	10
People who live in cold climates will have to burn more calories to stay warm. Is this number high enough that it has a practical effect on obesity in these places?	10
NASA says the orbit of the ascent module of the Apollo 11 LM would have decayed and impacted the moon a few months after being left there by the astronauts. With no atmosphere on the moon, how would that stable orbit have decayed?	9
How commonly would small terrestrial planets like Earth have a moon as proportionally large as we do? Is our moon an astronomical rarity, or would it probably happen all the time? Is it at all necessary for life?	8
Why do atoms form bonds and ions at all? Where does the energy come from?	7