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

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Are there low and high pressure zones in space the same as there are on Earth?

6 upvotes

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Does the Earth's magnetic field absorb the UV particles that are responsible for the Aurora Borealis?

2 upvotes

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If I cooled mercury to 1-10 Kelvin, could I keep it as a liquid if it was moving fast enough?

1 upvotes

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How does the electrical charge that builds up in clouds result in lightning?

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As far as asteroid threats go, we have the asteroid belt that is contained within our own solar system and we also have the asteroids that are floating through space as the sun orbits the centre of our galaxy?

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A superconductor has zero electrical resistance, as does a vacuum. Are these two things related?

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If a centrifugal force creates an exponentially larger centripetal force, what does this say about the fact that energy cannot be created nor destroyed.

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What is the reaction force to gravity? Do like gravitational forces repel each other similarly to magnets?

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What is the best objective data which supports the notion that weather is getting more extreme?

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What is this material coming off the cathode with a spring-like shape?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Are there low and high pressure zones in space the same as there are on Earth?	6
Does the Earth's magnetic field absorb the UV particles that are responsible for the Aurora Borealis?	2
If I cooled mercury to 1-10 Kelvin, could I keep it as a liquid if it was moving fast enough?	1
How does the electrical charge that builds up in clouds result in lightning?	1
As far as asteroid threats go, we have the asteroid belt that is contained within our own solar system and we also have the asteroids that are floating through space as the sun orbits the centre of our galaxy?	1
A superconductor has zero electrical resistance, as does a vacuum. Are these two things related?	1
If a centrifugal force creates an exponentially larger centripetal force, what does this say about the fact that energy cannot be created nor destroyed.	1
What is the reaction force to gravity? Do like gravitational forces repel each other similarly to magnets?	1
What is the best objective data which supports the notion that weather is getting more extreme?	1
What is this material coming off the cathode with a spring-like shape?	1