What would daily life on Earth look like if there were two moons? |
- What would daily life on Earth look like if there were two moons?
- is there a proof why nubers are dividable by 3 if sum of their digits is dividable by 3?
- How far back in time could you go before the night sky started to look different?
- What exactly is a vitamin? And how did we determine which ones are necessary?
- What causes the Latency Period in Acute Radiation Sickness?
- Is all muscle soreness rhabdomyolysis?
- What happened to Supersymmetry?
- What causes the skin to swell after bitten by an insect?
- [Climate]Why are tornadoes so rare in Europe, but almost "common" in North America (US in particular)?
- Do apes make music?
- What is the point of Oxygen in a Hydrogen-Oxygen fuel cell, and what catalysts are usually involved?
- When and how did we learn the position of the planets in the solar system?
- Why can you get two answers (one obviously false) from manipulating x=x+1?
- How does the intelligence of a large wild cat like a lion or tiger compare to that of your run of the mill house cat?
- What is the difference between a spandrel and vestigial feature?
| What would daily life on Earth look like if there were two moons? Posted: 10 Aug 2019 01:18 PM PDT I've always learned that the tidal pull of the moon has made life on Earth possible. Beyond the tides themselves being important for many ecosystems, it is also my understanding that without the moon there wouldn't be ocean currents (correct me if I'm wrong). Without ocean currents stirring arctic and tropical waters, the weather would be a lot less predictable, and the Earth would be generally less habitable. My question then is, how would two moons (for argument's sake let's say of relatively equal mass and rotational period) impact the tides and the currents? Would the pull of the two moons cancel each other out, leaving us in a tideless wasteland similar to if we had no moon at all? Would the tidal forces just be amplified by the second moon? Or would something else entirely happen? Thanks in advance for your replies! [link] [comments]  |
| is there a proof why nubers are dividable by 3 if sum of their digits is dividable by 3? Posted: 10 Aug 2019 04:09 PM PDT so my question is this: i would like to see the proof how we know for certain that this rule works for every number. i dont know how to explain the rule. rule being that number 261 is dividable by 3 because 2+6+1=9 and number 9 is also dividable by 3. hope i explained it good enough. I am sorry for lacking english speaking/writing skills [link] [comments]  |
| How far back in time could you go before the night sky started to look different? Posted: 10 Aug 2019 09:04 PM PDT |
| What exactly is a vitamin? And how did we determine which ones are necessary? Posted: 10 Aug 2019 01:53 PM PDT |
| What causes the Latency Period in Acute Radiation Sickness? Posted: 11 Aug 2019 05:28 AM PDT Severe radiation sickness, from what I understand, has an initial prodromal phase, followed by a latency period, and then the overt phase (https://rarediseases.org/rare-diseases/radiation-sickness/). My question is what causes that latency period in between? Why does the patient seem to "recover" shortly after exposure? Flairing as medicine, but maybe it's more of a Physics thing? [link] [comments]  |
| Is all muscle soreness rhabdomyolysis? Posted: 11 Aug 2019 03:23 AM PDT Is it possible that even mild or a normal amount of soreness after a workout is because of a mild form of rhabdomyolysis? If that's what happens, do muscles still adapt and grow regardless of the rhabdo? Also, what causes rhabdo during exercise? Is it from tensing the muscle for too long and blocking the bloodflow and oxygen causing cell death? Thank you for your help [link] [comments]  |
| What happened to Supersymmetry? Posted: 11 Aug 2019 02:44 AM PDT I haven't been following Supersymmetry at all but I have noticed that it's not mentioned quite as often as before. [link] [comments]  |
| What causes the skin to swell after bitten by an insect? Posted: 10 Aug 2019 10:37 PM PDT Any detailed explanation or a link to any article would be helpful. [link] [comments]  |
| Posted: 10 Aug 2019 10:55 AM PDT Tornadoes are rare in Europe, so two tornadoes (Luxembourg and Amsterdam) on the same day is even rarer. In the US, while we don't have tornadoes everyday, we have them often enough, usually over 1000 a year. Why do we have so many. Even Canada has only ~6% of the number than the US recieves? (no data on Mexico) Entire continents have fewer per year than the US racks up. Shouldn't Asia and Europe have their own Tornado Alleys? [link] [comments]  |
| Posted: 10 Aug 2019 04:05 PM PDT Do other apes use their voice or primitive percussion instruments to make music or is music unique to humans? And if so, when was music most likely first created? [link] [comments]  |
| What is the point of Oxygen in a Hydrogen-Oxygen fuel cell, and what catalysts are usually involved? Posted: 10 Aug 2019 06:17 PM PDT I am reading on fuel cells and the following is my understanding: H2 gas reacts with a catalyst (usually platinum) at the anode, ionizing the molecule; the ions are allowed to travel through an intermediate substrate toward the cathode, but the electrons must go through a wire creating a current (current is source of power output) . And finally, the electrons, O2, and hydrogen ions react with one another to form water. Now, what is the point of the oxygen here? Couldn't we just combine the hydrogen gas with the electrons once again? Is the oxygen being ionized at the cathode? If so, what is its catalyst? Thanks in Advance [link] [comments]  |
| When and how did we learn the position of the planets in the solar system? Posted: 10 Aug 2019 06:48 PM PDT For example in what year did we found that Jupiter is the 5th planet from the Sun? How did we learn that Saturn was similar in size but even further and in the 6th position? [link] [comments]  |
| Why can you get two answers (one obviously false) from manipulating x=x+1? Posted: 10 Aug 2019 01:19 PM PDT So obviously x=x+1 is not true for regular numbers, but if you manipulate it, you can get -0.5 Which is obviously wrong, you can just plug it back into the equation to see that. But you can also get infinity by deduction and algebra, which I believe is correct. So what's going on here? [link] [comments]  |
| Posted: 10 Aug 2019 08:47 AM PDT |
| What is the difference between a spandrel and vestigial feature? Posted: 10 Aug 2019 12:24 AM PDT |
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