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

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What would happen if the oxygen content in the atmosphere was slightly higher (within 1 or 2%) would animals be bigger? Would things be more flammable?

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Has the solar year always been the same length (365 days) or has it changed? What caused these changes?

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Is it actually always darkest before the dawn? I feel like once night falls, the peak darkness would be basically uniform for several hours

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What is the difference between the lasers used for hair removal, and for tattoo removal?

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Is Electricity still output when the wall socket is on, with nothing plugged in?

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If Mars was the same distance from the sun as earth, but on the opposite side of our orbit, would that change the length of the day and year? Would it affect our orbit?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
What would happen if the oxygen content in the atmosphere was slightly higher (within 1 or 2%) would animals be bigger? Would things be more flammable?	9657
Has the solar year always been the same length (365 days) or has it changed? What caused these changes?	1
Is it actually always darkest before the dawn? I feel like once night falls, the peak darkness would be basically uniform for several hours	1
What is the difference between the lasers used for hair removal, and for tattoo removal?	1
Is Electricity still output when the wall socket is on, with nothing plugged in?	1
If Mars was the same distance from the sun as earth, but on the opposite side of our orbit, would that change the length of the day and year? Would it affect our orbit?	1