If the Earth was a giant eyeball, how far would it be able to see into space? Would it outperform modern telescopes? |
- If the Earth was a giant eyeball, how far would it be able to see into space? Would it outperform modern telescopes?
- How do Saturn's rings spin in relation to the planet's spin?
- Before they detonated the first atomic bomb, did they have a good idea of how big the explosion would be?
- How is the temperature of the interstellar gas measured?
- Where is Voyager 2 in relation to Voyager 1, and in relation to the Earth? Toward which constellations did hey each head?
- How do you convert a more million C degree plasma into electricity (ITER)?
- Are there any planets found that have rings that spin perpendicular to its axis of rotation?
- Why hasn’t a cooling equivalent of the microwave been invented for mass production?
- Why is our sun so rare being a solitary star and how did it form without a companion?
- How far will be the distance of nearest star if earth was just a pixel?
- According to an article from National Geographic, the interstellar medium is 54,000 Fahrenheit. Why haven't the two Voyager probes melted?
- Inside black holes our downwards motion towards the singularity is unstoppable; outside black holes our forward march in time is just as impossible - are these facts two sides of the same coin?
- Are there any ordinary, every day objects that could functions a mirror if we perceived a different range of light frequency?
- Does the Coriolis Effect gradually reach its maximum at the poles?
- How does our body define and measure time?
- Why/how does Venus have such a slow rotation?
- Does the subject experiencing a stimulus has a role to play(brings a change) in the strength of the corresponding spike generated by the neurons?
- How was the Danyang–Kunshan Grand Bridge in China engineered to curve with the Earth?
- What's the primary reason that Wankel rotary engines are not nearly as efficient as typical 4-stroke piston engines?
| Posted: 04 Nov 2019 08:59 PM PST |
| How do Saturn's rings spin in relation to the planet's spin? Posted: 04 Nov 2019 01:23 PM PST |
| Posted: 04 Nov 2019 11:50 PM PST |
| How is the temperature of the interstellar gas measured? Posted: 04 Nov 2019 09:18 PM PST Isn't temperature related to the average kinetic energy of the particles in the gas? I'm imagining that in a near vacuum like in interstellar space it is pretty rare for two gas molecules to even collide with each other. Would that mean that the average velocity of a hydrogen atom would be dependent more on the relative velocity between our solar system and where ever that particle was coming from rather than getting its velocity from bouncing into other molecules in the cloud. [link] [comments]  |
| Posted: 04 Nov 2019 11:31 PM PST I'm trying to visualize their trajectories in relationship to each other, and the Earth. Is there a diagram available that would show their positions/trajectories in relationship to the solar system? Are they headed in opposite directions, or in relatively the same direction? Would it be correct to presume that no other man-made objects are farther apart than Voyager 1 and 2 are from each other? Thank you for any insight. [link] [comments]  |
| How do you convert a more million C degree plasma into electricity (ITER)? Posted: 04 Nov 2019 09:58 PM PST After managing to stabilize and sustain the plasma at ITER, how will they convert the heat of stg that's more million Celsius into electricity? [link] [comments]  |
| Are there any planets found that have rings that spin perpendicular to its axis of rotation? Posted: 04 Nov 2019 10:57 PM PST |
| Why hasn’t a cooling equivalent of the microwave been invented for mass production? Posted: 04 Nov 2019 10:30 PM PST I shouldn't have to wait a whole hour when my beer isn't cold enough goddamit [link] [comments]  |
| Why is our sun so rare being a solitary star and how did it form without a companion? Posted: 04 Nov 2019 06:32 PM PST I am currently taking an astronomy class at my college and my professor keeps saying that our sun is very rare why is that and did it have a companion billions of years ago? [link] [comments]  |
| How far will be the distance of nearest star if earth was just a pixel? Posted: 04 Nov 2019 04:06 PM PST Hello everyone, I was wondering if there was an easier way to visualize the large distances in space. If we imagine that the earth is the size of the pixel, how far will then be Pluto? What about other planets in the Kuiper belt? How far will be the nearest star and these huge ice asteroids(Oort Cloud)? Thank you a lot for your support. [link] [comments]  |
| Posted: 04 Nov 2019 01:43 PM PST |
| Posted: 04 Nov 2019 02:42 PM PST Edit, correction: "outside black holes our forward march in time is just as unstoppable" Follow up questions:
[link] [comments]  |
| Posted: 04 Nov 2019 11:05 AM PST I was looking at a mirror just now, thinking about how it's transparent to some light frequencies, but those are irrelevant for human purposes. Is there anything we regularly use which isn't reflective in the visible range but is in others? (physics flair bc I don't know what else it might be) [link] [comments]  |
| Does the Coriolis Effect gradually reach its maximum at the poles? Posted: 04 Nov 2019 02:57 PM PST I know it is 0 at the equator and maximum at the poles, but if you walk from the equator to the north pole, does it increase the most somewhere in the middle of your journey, then level off the closer you get to the pole? If yes, how far north is the increase maximum? [link] [comments]  |
| How does our body define and measure time? Posted: 04 Nov 2019 10:12 AM PST I'm not talking about our biological clock or sleep rythms, I rather mean on a cellular or even molecular level. How do cells know when to change or reproduce? How does our hair know when to turn grey? How does our body know when to do things faster or slower? I think I heard computers use the clockspeed of the processor to know when one second has passed, does our body (or even cells in general) have some kind of time-keeping-device? [link] [comments]  |
| Why/how does Venus have such a slow rotation? Posted: 04 Nov 2019 08:43 AM PST Follow-up: there almost seems to be a positive correlation between a planet in our solar systems's distance from the sun and the speed of its axial rotation. Is this legitimate or imagined? [link] [comments]  |
| Posted: 04 Nov 2019 01:59 PM PST In "Spike arrival times: A highly efficient coding scheme for neural networks" , THORPE points out that "It is a well known neurophysiological fact that the time taken for a neuron to reach its threshold for generating a spike depends on the strength of the stimulus - the stronger the stimulus, the faster the neuron depolarizes and the sooner it generates a spike." From this statement, which assertion would be correct? A : regardless of the subject, it is only the strength measurement of the signal causing the stimulus that impacts how quickly the threshold is reached. B : depending on the subject, the recognition of the signal "by" the subject (or lack thereof) causes an increase(or relative decrease) in the speed at which the threshold is reach and so for a signal of exactly the same strength the corresponding threshold to generate a spike varies depending on the subject. C : It depends on the type of signal and the mechanism behind the neurophysiological encoding that is taking place that transduces the signal into a spike. (aka some thresholds are "hard-wired" into the encoding process and remain "as is" while others are modified by overlapping cognitive processes, for example the "urgency" of the response regarding a certain signal could change the threshold at which the spike is continued into a spike train) [link] [comments]  |
| How was the Danyang–Kunshan Grand Bridge in China engineered to curve with the Earth? Posted: 04 Nov 2019 12:35 PM PST |
| Posted: 04 Nov 2019 03:52 PM PST |
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