/u/m84m's posts in /r/askscience

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If gravity can only pull not push why is the universe expanding? What applies the force that pushes galaxies and the like further apart?

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What happens on a molecular scale when an object breaks or is cut?

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How do we know so much detail about incredibly distant objects such as black holes and the like?

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Why are clouds and snow white if water is generally colourless?

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Why is ice lighter than water? Are there any other substances that are lighter as solids than as liquids?

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If darker colours absorb more heat and lighter colours reflect more, why do people from hotter climates generally have darker coloured skin?

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In terms of evolution, why would an animal evolve to become "prey" rather than a predator?

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Why are almost all major celestial bodies spherical? Why not another shape?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
If gravity can only pull not push why is the universe expanding? What applies the force that pushes galaxies and the like further apart?	2
What happens on a molecular scale when an object breaks or is cut?	1
How do we know so much detail about incredibly distant objects such as black holes and the like?	1
Why are clouds and snow white if water is generally colourless?	1
Why is ice lighter than water? Are there any other substances that are lighter as solids than as liquids?	1
If darker colours absorb more heat and lighter colours reflect more, why do people from hotter climates generally have darker coloured skin?	1
In terms of evolution, why would an animal evolve to become "prey" rather than a predator?	0
Why are almost all major celestial bodies spherical? Why not another shape?	0