/u/thefourthchipmunk's posts

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I read that "The northern lights are best visible around midnight," when the sun is "at its peak height in the sky on the other side of the planet.". Why would that be? Isn't astronomical twilight as dark as it gets? Is there some other reason?

1 upvotes • r/askscience

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In billions of years when the sun dies, what will be the physical condition of our geosynchronous satellites? Will they survive this too?

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Why do the two "black boxes" record different things (voice, and data)? Why don't they both record both things, for more redundancy? (example: Germanwings data black box was destroyed)

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Are there any inhabited areas that are so close to the earth's poles that time zones become meaningless? And how would that manifest?

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What steps are we taking to solve the increasing entropy problem?

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Say I cut down a tree. Is there any sort of soil or liquid that I could put the tree in, which would rescue the tree and keep it alive indefinitely?

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When a rocket is launched, do they need to know its exact weight in order to use the right amount of fuel? I ask because I sometimes hear statements like, "if you bring up that banana it costs $1,000 in fuel" and I'm wondering if they actually add more fuel to the tank because of that banana.

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Logically speaking, is there any sense in which a population can become less "diverse" as the size of one of its minority groups INCREASES?

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When an airplane lands, sometimes there is a big bump, and sometimes it is very gentle. What causes the difference? (I'm talking about commercial jet travel obviously)

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Of the non-radioactive elements, which is the most useless (i.e., which has the FEWEST significant applications in industry, nature, etc)

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Title	Upvotes	Subreddit	Mark as read	Favorited	Rating	Add to a list
I read that "The northern lights are best visible around midnight," when the sun is "at its peak height in the sky on the other side of the planet.". Why would that be? Isn't astronomical twilight as dark as it gets? Is there some other reason?	1	askscience
In billions of years when the sun dies, what will be the physical condition of our geosynchronous satellites? Will they survive this too?	1	askscience
Why do the two "black boxes" record different things (voice, and data)? Why don't they both record both things, for more redundancy? (example: Germanwings data black box was destroyed)	1	askscience
Are there any inhabited areas that are so close to the earth's poles that time zones become meaningless? And how would that manifest?	1	askscience
What steps are we taking to solve the increasing entropy problem?	1	askscience
Say I cut down a tree. Is there any sort of soil or liquid that I could put the tree in, which would rescue the tree and keep it alive indefinitely?	1	askscience
When a rocket is launched, do they need to know its exact weight in order to use the right amount of fuel? I ask because I sometimes hear statements like, "if you bring up that banana it costs $1,000 in fuel" and I'm wondering if they actually add more fuel to the tank because of that banana.	1	askscience
Logically speaking, is there any sense in which a population can become less "diverse" as the size of one of its minority groups INCREASES?	1	askscience
When an airplane lands, sometimes there is a big bump, and sometimes it is very gentle. What causes the difference? (I'm talking about commercial jet travel obviously)	1	askscience
Of the non-radioactive elements, which is the most useless (i.e., which has the FEWEST significant applications in industry, nature, etc)	1	askscience