How do we know what is in the core of the distant planets? |
- How do we know what is in the core of the distant planets?
- Is there an evolutionary advantage to Dolphins and Whales breathing air as opposed to developing gills and being able to remain underwater indefinitely?
- Los Angeles saw temperatures above 120F (49C) today. How many years until they begin to see temps above 130F (54C)?
- At what point is the phase III clinical trial of a vaccine considered complete? Is there a minimum time frame? Or some statistical threshold that is a function of duration and number of test subjects?
- So, does the earth have seven or eight layers?
- If protons and neutrons both have a mass greater than 1 amu how can an atom with a mass number of N have a mass of less than N amu?
- Do large earthquakes leave traces in the geologic record?
- Wing sweep angle and supersonic shock cone angle, is there an interesting interaction?
- Could we tell a message is maximily encrypted from random?
- If a cell's telomeres are maintained by the hormone telomerase, will that cell be able to divide indefinately. If so, will the cell be considered Immortal?
- How is hydrocortisone manufactured for medical use?
- What gives lightning its color?
- Do pelvic splanchnic nerves provide both parasympathetic and sympathetic innervation to the hindgut?
- What is a clonal genotype and how is it different from the parental genotype?
- Why does our body not store zinc?
- Does the human body heal wounds at a constant rate 24/7 assuming energy needs were met?
- How does Alzheimer’s kill you?
| How do we know what is in the core of the distant planets? Posted: 06 Sep 2020 05:31 PM PDT I tried to google for a bit and learned that we know what the inside of earth is made up by analyzing earthquake data (still not 100% sure how it works but I got the idea). But I could not find out how we know for example that the moon core is supposed to be liquid or even what further planets "contain" under their surface? Also how do we know what the temperatures inside the sun or other planets/stars cores are? Thanks a lot. [link] [comments]  |
| Posted: 06 Sep 2020 10:05 AM PDT |
| Posted: 06 Sep 2020 11:58 PM PDT Alternatively: Did any models predict that LA could get so hot as what we're seeing now? What do those models tell us about the next decade? [link] [comments]  |
| Posted: 06 Sep 2020 02:02 PM PDT |
| So, does the earth have seven or eight layers? Posted: 06 Sep 2020 02:35 PM PDT The core is composed of two layers, the mantle is in four layers, and the crust, so can we consider the crust one or two layers? [link] [comments]  |
| Posted: 06 Sep 2020 10:51 AM PDT As an example according to my chemistry book Cl-35 has a mass of 34.97 amu. [link] [comments]  |
| Do large earthquakes leave traces in the geologic record? Posted: 06 Sep 2020 10:51 AM PDT For example, if a magnitude 8 earthquake happened 30 million years ago, could we figure out that it happened and also when it happened by examining the geologic record? [link] [comments]  |
| Wing sweep angle and supersonic shock cone angle, is there an interesting interaction? Posted: 06 Sep 2020 08:55 PM PDT Per my understanding, aircraft will often have swept wings to reduce drag. Something about cord-wise drag vs spanwise drag, not entirely sure. Supersonic objects will create a sonic boom, the angle of which depends on the speed, right? Higher Mach speeds producing a sharper angle. My question then, is thus: What's the relation between the sweep angle of the wing (or more generally, the pointiness of a projectile) and the Mach number? Do we see any interesting occur when the mach cone is smaller than the object angle? What about crossing that threshold? [link] [comments]  |
| Could we tell a message is maximily encrypted from random? Posted: 06 Sep 2020 05:35 AM PDT |
| Posted: 06 Sep 2020 06:50 AM PDT |
| How is hydrocortisone manufactured for medical use? Posted: 06 Sep 2020 08:19 AM PDT |
| What gives lightning its color? Posted: 06 Sep 2020 08:06 AM PDT What gives lightning its color? I know that lightning bolts are essentially plasma. So does it have to do with the argon concentration in the atmosphere? Thanks :) [link] [comments]  |
| Do pelvic splanchnic nerves provide both parasympathetic and sympathetic innervation to the hindgut? Posted: 06 Sep 2020 08:55 AM PDT I was looking through a textbook that said the splanchnic nerves provide sympathetic innervation to the hindgut, but I remember learning last year that they were part of the parasympathetic system (because it's sacral outflow). I've looked for answers online and pretty much just see that they're parasympathetic, so I'm not sure if the textbook is wrong or if I'm not looking at the right sources online. [link] [comments]  |
| What is a clonal genotype and how is it different from the parental genotype? Posted: 06 Sep 2020 08:45 AM PDT I've run across this term recently and I'm perhaps limited by my knowledge of cloning. I thought a clone was genetically identical to the parent so how could the genotype be different? [link] [comments]  |
| Why does our body not store zinc? Posted: 05 Sep 2020 11:24 PM PDT I know that zinc is important for our body and we need daily dose of it but why isn't it stored in body for later use? [link] [comments]  |
| Does the human body heal wounds at a constant rate 24/7 assuming energy needs were met? Posted: 05 Sep 2020 07:23 PM PDT |
| How does Alzheimer’s kill you? Posted: 05 Sep 2020 07:47 PM PDT |
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