I have recently heard that astronomers have found an "exomoon". I am quite scientifically illiterate so what exactly is an exomoon and how could it affect us on Earth? |
- I have recently heard that astronomers have found an "exomoon". I am quite scientifically illiterate so what exactly is an exomoon and how could it affect us on Earth?
- Do Rockets harm the environment in terms of exhaust fumes?
- What are the long-term effects of repeated soft tissue bruising and damage?
- Is it possible to travel faster than the apeed of sound through a liquid?
- Does the temperature of a room change the rate of which a candle burns?
- Why are common allergies like bee stings and peanuts... common?
- How do nuclear reactors/atomic bombs prevent a fission reaction before it is wanted?
- On MRI background checks, why are tattoos listed along with other metal objects?
- How have ancient cave and wall paintings stayed preserved over time with some 40,000+years old?
- How do gas giants like Jupiter "die" in star systems that don't go supernova?
- Does getting the flu shot in the US help protect you from flu virus in other countries?
- Does a human body emit neutrinos?
- Change in enthalpy for transition of carbon in the diamond form to carbon in the graphite form is apparently a negative number (-453.5 cal). According to this, graphite is more stable than diamond, how’s that possible? Isn’t diamond supposed to be stronger and more stable than any other material?
- Can someone give a layman's explanation of how to obtain a probability density model for atoms using the Schrödinger wave function?
- Is there any universal unit for time that isn't based from our stellar perspective? I know caesium-133 and strontium are used to get extremely accurate measurements but it's only in reference to our solar system.
- Is it possible to design acoustic "distributed-element filters" using a similar approach to that employed in the RF and Microwave electronic field?
- When shooting at / from an helicopter, does the shooter needs to aim higher to compensate for the force from the main rotor ?
- If a pregnant woman got mono, once she recovered and developed immunity, would the child passively receive immunity as well?
- How come the heat from the sun hits the earth roughly the same time as the light from the sun?
- Why is blue light scattered and not absorbed in the sky?
- Can Cobalt-60 be used for PET scans?
- How are space probes like Cassini protected from colliding with asteroids and space scrap?
| Posted: 04 Oct 2018 04:09 AM PDT |
| Do Rockets harm the environment in terms of exhaust fumes? Posted: 04 Oct 2018 04:07 AM PDT I ask me this question when in saw Elon Musks demo of the BFR carrying passengers or cargo from Earth-to-Earth anywhere on the Earth within 90 minutes. [link] [comments]  |
| What are the long-term effects of repeated soft tissue bruising and damage? Posted: 03 Oct 2018 11:04 PM PDT Athletes often suffer injuries to parts of the body from repeated stress over time. What about soft tissue? What happens if a spot on your body is repeatedly bruised and subjected to damage over and over again over a period of years? [link] [comments]  |
| Is it possible to travel faster than the apeed of sound through a liquid? Posted: 04 Oct 2018 07:29 AM PDT Has it been done before? What would that look like? Would there be anything cool to see like when planes pass through the sound barrier and that vapor wall builds up? Thanks. [link] [comments]  |
| Does the temperature of a room change the rate of which a candle burns? Posted: 04 Oct 2018 06:28 AM PDT |
| Why are common allergies like bee stings and peanuts... common? Posted: 04 Oct 2018 03:40 AM PDT I'm just curious if there's something underlying that makes us more susceptible to very specific allergies [link] [comments]  |
| How do nuclear reactors/atomic bombs prevent a fission reaction before it is wanted? Posted: 03 Oct 2018 06:30 PM PDT I know how fission reactions work (to a certain extent atleast), but how are the neutrons contained and prevented from starting a reaction at any random point in time? Shouldn't a reaction start the second any neutron at high enough energy hits the nucleus of another atom, and therefore be completely unpredictable? [link] [comments]  |
| On MRI background checks, why are tattoos listed along with other metal objects? Posted: 03 Oct 2018 11:48 PM PDT |
| How have ancient cave and wall paintings stayed preserved over time with some 40,000+years old? Posted: 04 Oct 2018 12:10 AM PDT |
| How do gas giants like Jupiter "die" in star systems that don't go supernova? Posted: 03 Oct 2018 11:29 AM PDT |
| Does getting the flu shot in the US help protect you from flu virus in other countries? Posted: 04 Oct 2018 03:57 AM PDT Hi everyone, I am an American living in Germany. I will be traveling to the US in a few weeks and wondering if it makes sense to get my flu shot there. Will this protect me or are there different flu strains in different countries? From my knowledge, getting the flu shot is not common practice in Germany like it is in the US. Typically it's only for high risk patients like the elderly or pregnant women. [link] [comments]  |
| Does a human body emit neutrinos? Posted: 03 Oct 2018 10:08 AM PDT I read that our body emits a small amount of radiation, notably through the decay of Potassium 40 and Carbon 14. But this type of decay results in the emission of positrons, if I understand correctly. Is there another type of decay happening in our body that emits neutrinos? I wonder if our body sends small pieces of information through the universe, broadcasting our existence light-years away... [link] [comments]  |
| Posted: 03 Oct 2018 10:54 PM PDT |
| Posted: 03 Oct 2018 01:38 PM PDT I realize this might be a tough ask, but I just came across this photo the other day and thought it was pretty inspiring. I was wondering if the shapes of all the atoms have been mapped in a way like this. Is this photo an accurate representation of the Schrödinger equation of hydrogen orbitals? [link] [comments]  |
| Posted: 03 Oct 2018 05:49 PM PDT |
| Posted: 03 Oct 2018 03:43 PM PDT |
| Posted: 03 Oct 2018 12:31 PM PDT |
| Posted: 03 Oct 2018 08:16 PM PDT |
| How come the heat from the sun hits the earth roughly the same time as the light from the sun? Posted: 03 Oct 2018 04:07 PM PDT The sunlight takes 8 minutes and 20 seconds to get hear. Surely heat will take a lot longer? [link] [comments]  |
| Why is blue light scattered and not absorbed in the sky? Posted: 03 Oct 2018 05:03 PM PDT The resonant frequency of N2 and O2 is similar to blue light's frequency, so wouldn't the molecules just absorb the light instead of scattering it? [link] [comments]  |
| Can Cobalt-60 be used for PET scans? Posted: 03 Oct 2018 09:33 PM PDT |
| How are space probes like Cassini protected from colliding with asteroids and space scrap? Posted: 03 Oct 2018 09:51 AM PDT |
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