/u/crazyguy28's posts in /r/askscience

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Since there are trillions of stars in the universe in all stages of life, why is the sky not constantly full of supernovas?

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It's said that Isaac Newton was the first one to ask "why the planets moved instead of "how". Isn't that kind of the same question?

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Light is a wave and a particle, when we look at a light on the ceiling it's emitting light everywhere. How wide are these waves? Where does one end and the next begin?

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[Physics] the acceleration of gravity is 9.8 meters squared. Where does that square come from?why not just say 96.04 meters pet second?

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Why is the Doppler shift either blue or red? Why not some other color?

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[Physics] Are waves or light separated or is light more of a field expanding in all directions?

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How is it that we can clearly see through an Olympic size swimming pool but not a small pond?

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Rockets need a lot of thrust to get through the atmosphere. If you could float a rocket to say 200,000 ft, would it still need the same amount of thrust?

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Where can someone find a list of scientific catalogs? Is there a database somewhere?

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Is there a database somewhere for current scientific challenges?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Since there are trillions of stars in the universe in all stages of life, why is the sky not constantly full of supernovas?	1
It's said that Isaac Newton was the first one to ask "why the planets moved instead of "how". Isn't that kind of the same question?	1
Light is a wave and a particle, when we look at a light on the ceiling it's emitting light everywhere. How wide are these waves? Where does one end and the next begin?	1
[Physics] the acceleration of gravity is 9.8 meters squared. Where does that square come from?why not just say 96.04 meters pet second?	1
Why is the Doppler shift either blue or red? Why not some other color?	1
[Physics] Are waves or light separated or is light more of a field expanding in all directions?	1
How is it that we can clearly see through an Olympic size swimming pool but not a small pond?	1
Rockets need a lot of thrust to get through the atmosphere. If you could float a rocket to say 200,000 ft, would it still need the same amount of thrust?	1
Where can someone find a list of scientific catalogs? Is there a database somewhere?	1
Is there a database somewhere for current scientific challenges?	1