How much longer will the Hubble Space Telescope remain operational? |
- How much longer will the Hubble Space Telescope remain operational?
- Can someone explain the behavior of Superfluid Helium?
- How do we know Uranus's atmosphere is made of ammonia?
- Why this exception to the Ionization energy trend?
- Are scientists concerned about the amount of earthquakes around the world lately? There are so many major ones happening lately is there any reason for this?
- How does CocaCola’s color changing can work ?
- How is electricity conducted in bodies of water?
- Why are aurora at mid-latitudes almost exclusively red?
- Why did Olympus Mons form in the exact same way of Mauna Kea in Hawaii, but the Martian volcano is 5 times bigger?
- Why and how does a banana keep turning more and more brown? (Pomology)
- How are electronegativity values for elements determined?
- What is quantum vacuum and vacuum energy?
- If temperature is held constant, why does steam have less internal energy at higher pressures?
- How much does the earth need to move to/from the sun in order for life to end?
- what makes water have such a high heat capacity when compared to other, more complex materials?
| How much longer will the Hubble Space Telescope remain operational? Posted: 25 Aug 2018 06:38 PM PDT How much longer will the Hubble Space Telescope likely remain operational given it was launched in 1990 and was last serviced in 2009,9 years ago? [link] [comments]  |
| Can someone explain the behavior of Superfluid Helium? Posted: 25 Aug 2018 11:06 PM PDT It has been stated that superfluid helium can flow indefinitely under its own inertia and without friction. How is this possible? [link] [comments]  |
| How do we know Uranus's atmosphere is made of ammonia? Posted: 25 Aug 2018 06:09 PM PDT I've often read about how Uranus's atmosphere is composed primarily of ammonia. This has puzzled me, since we have never ever been to Uranus and probably never will be able to go, and it's also hard to wrap my head around the fact that the same substance used in household cleaning solutions is also the main component of the atmosphere of a remote planet in the outer reaches of our solar system. Can we tell just by looking at the color of Uranus's atmosphere? I'd imagine it's impossible to determine what a distant planet's atmosphere is made up of considering we've never actually gone there. [link] [comments]  |
| Why this exception to the Ionization energy trend? Posted: 25 Aug 2018 09:58 PM PDT In group 13, the order of decreasing I.E. is- B>Tl>Ga~Al>In Why is this so? According to the usual rule shouldn't it be- Tl>In>Ga>Al>B ? [link] [comments]  |
| Posted: 26 Aug 2018 04:29 AM PDT I'm not a scientist by any means but I have noticed what appears to be an increase in earthquakes everywhere around the globe. Is this an unusual occurrence? Are scientists worried? [link] [comments]  |
| How does CocaCola’s color changing can work ? Posted: 26 Aug 2018 03:42 AM PDT Cocola has a can bottle, when it gets cold its color turning into white to bluish. How does it happen and what kind of reaction occurs? (I could not share a photo link because i am from Turkey and here imgur is banned :( ) [link] [comments]  |
| How is electricity conducted in bodies of water? Posted: 25 Aug 2018 12:32 PM PDT We are all familiar with the toaster in the bathtub suicide method, but it got me thinking about how that process works. How exactly is electrical current conducted through water, and how does that relate to the amount of charge/voltage applied to the water and volume of water being effected? What happens if a lake or ocean is struck by lightning? [link] [comments]  |
| Why are aurora at mid-latitudes almost exclusively red? Posted: 25 Aug 2018 06:42 AM PDT I understand that under normal circumstances, red aurora (in normal aurora latitudes) occur at high altitude when the solar winds hit oxygen. What I haven't found in searching is an explanation for why, during those super-intense CME (coronal mass ejections) that allow us to see the aurora in the southern US on those rare occasions, that it's almost always red. At least, in the photos of aurora events that I have seen from that region. Is there something about getting closer to the equator that prevents the solar wind's electrons from penetrating as deep into the atmosphere as they do in the polar latitudes? If so, what is it? [link] [comments]  |
| Posted: 25 Aug 2018 11:58 AM PDT |
| Why and how does a banana keep turning more and more brown? (Pomology) Posted: 25 Aug 2018 04:12 PM PDT |
| How are electronegativity values for elements determined? Posted: 25 Aug 2018 07:12 PM PDT I understand that electronegativity is the tendency for elements to attract electrons, but I was wondering how the specific values for each element is calculated? [link] [comments]  |
| What is quantum vacuum and vacuum energy? Posted: 25 Aug 2018 07:37 AM PDT I remember my science teacher once said particles were contantly being created and dissapearing in the vacuum, is that related to this? If so, how does science explain this? Also, why hasn't it been exploited yet? [link] [comments]  |
| If temperature is held constant, why does steam have less internal energy at higher pressures? Posted: 25 Aug 2018 09:49 AM PDT From looking at steam tables, steam has a lower internal energy at higher pressures provided that temperature is held constant. Why is that? If possible, please include a discussion of Morse potential in your answer. My theory is that an applied pressure shifts the entire Morse potential plot down, making the potential energy more negative. Since, (1) internal energy is kinetic energy + potential energy, (2) kinetic energy in the two cases is equal because temperature is equal, and (3) potential energy will be more negative in the high pressure case, the internal energy will be lower in the high pressure case. [link] [comments]  |
| How much does the earth need to move to/from the sun in order for life to end? Posted: 24 Aug 2018 07:57 PM PDT |
| what makes water have such a high heat capacity when compared to other, more complex materials? Posted: 24 Aug 2018 08:47 PM PDT |
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