/u/on_island_time's posts in /r/askscience
My 5-year-old wants to know: What would happen if a giant ball of water even bigger than the sun ran into the sun?
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How does sugar contribute to heart disease? Is it the compound itself, or is it the empty calorie idea causing general undernutrition?
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Do your ears pop when skydiving? Or, why don't skydivers see physical effects of rapid pressure change the way divers can?
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In humans the generally touted statistic is that 1 in 9 deals with infertility. Do we see similar rates in other species and if not, why?
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In our solar system, the four inner planets are all small and rocky and the four outer planets are large and gaseous. Is that chance, or do we see a similar pattern in other star systems? If so, why?
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What is the hypothetical maximum distance from the sun at which a planet could be found? How do the known planets and the proposed Planet IX compare to that distance?
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If humanity were to become carbon neutral tomorrow and stayed that way, how long would it take for the Earth to absorb the excess carbon and return to a pre-industrial normal?
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