https://scientific-speculation.codidact.com/categories/15/tags/2083.rssNew Posts Tagged 'sunlight' - Scientific SpeculationScientific Speculation - Codidact2020-05-07T23:17:14Zhttps://scientific-speculation.codidact.com/posts/262192An Earth with a permanent winter state with drastically reduced temperature, dark skies and mass extinctionsSpace_Cadethttps://scientific-speculation.codidact.com/users/442772020-04-08T20:33:50Z2020-05-07T23:17:14Z<p>I had posted a question a couple of days ago asking if it would be possible for an artificial satellite/cosmic body at the L1 orbit to block out the Sun, but the logistics of that is a little to...https://scientific-speculation.codidact.com/posts/262395Harnessing energy directly from the sun via quantum tunnelingStrivshttps://scientific-speculation.codidact.com/users/441662020-04-18T06:30:44Z2020-04-19T14:52:00Z<p>In the universe of my story, the Earth is ridden with metahumans with uncanny powers that do all sorts of different things. Of course, to do all this, they would require a tremendous amount of e...https://scientific-speculation.codidact.com/posts/260808How to explain a planet around a K-Type star with Orange/Red/Purple plants?McGerridaehttps://scientific-speculation.codidact.com/users/433222020-02-24T17:32:11Z2020-02-25T07:04:53Z<p>Basically, in a sci-fi roleplaying group I am apart of, I have began to work on a long-standing human colony world. The tech-level is pretty much bog-standard sci-fi, and such, colonisation is p...https://scientific-speculation.codidact.com/posts/240208Humans surviving on surface without SunAdrian Zhanghttps://scientific-speculation.codidact.com/users/404442018-03-16T04:10:14Z2020-02-19T05:52:08Z<p>Is it possible for humans to survive on the surface of the Earth, assuming the Sun was, for some reason, not emitting any light/heat/other radiation? Would whether the Sun was actually present a...https://scientific-speculation.codidact.com/posts/260123How would a Dyson Swarm transmit energy to the Earth?CYCLOPSCOREhttps://scientific-speculation.codidact.com/users/443562020-02-04T03:21:10Z2020-02-05T13:41:32Z<p>The <strong>Dyson Swarm</strong> is common in sci fi as an energy source, and sometimes also as a powerful weapon. As it is commonly understood, it harnesses the energy of the sun, which stores ...https://scientific-speculation.codidact.com/posts/247623Could a person safely walk around with exposed skin under the sunlight of a red dwarf when it's not flaring?Vorteroxhttps://scientific-speculation.codidact.com/users/431302018-11-14T22:35:03Z2020-01-06T08:51:19Z<p>I've been thinking about a fantasy setting built around the idea of a habitable, tidally-locked world orbiting a red dwarf. Since it is fantasy I do have some leeway in terms of the real world l...https://scientific-speculation.codidact.com/posts/258786What colour would a flat world's sky be?Haemhttps://scientific-speculation.codidact.com/users/310062019-12-23T21:04:12Z2020-01-06T03:14:24Z<p>In continuation of my <a href="https://worldbuilding.stackexchange.com/questions/156755/penumbra-colors-of-a-flat-earths-sun-shades">previous question</a>, I'm wondering about the colour of a fl...https://scientific-speculation.codidact.com/posts/206321Does living without access to sunlight for extended periods have known physical or psychological effects on humans?Monica Celliohttps://scientific-speculation.codidact.com/users/80462014-09-21T22:44:04Z2019-12-15T08:17:42Z<p>Humans (even programmers :-) ) are used to having some access to natural light, but in a colony in space, on the dark side of a tidally-locked planet, or underground (for example) this won't hap...https://scientific-speculation.codidact.com/posts/258027Anatomically correct Kryptonian, part 1overlord - Reinstate Monicahttps://scientific-speculation.codidact.com/users/78782019-11-25T18:27:16Z2019-11-25T23:17:20Z<p><sub>Part of the <a href="https://worldbuilding.meta.stackexchange.com/questions/2797/anatomically-correct-series/">Anatomically Correct series</a> of questions.</sub></p>
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<p>Due to the n...https://scientific-speculation.codidact.com/posts/257922How much sunlight can I get into my O'Neill cylinder and how much light needs to be artificial?Backup Planhttps://scientific-speculation.codidact.com/users/441712019-11-22T11:33:38Z2019-11-22T12:58:48Z<p><a href="https://i.stack.imgur.com/Ep6wW.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/Ep6wW.jpg" alt="enter image description here"></a></p>
<p>The <a href="https://en.wik...https://scientific-speculation.codidact.com/posts/257559Would living on around Alpha Centauri change how our eyes see color?TitaniumTurtlehttps://scientific-speculation.codidact.com/users/69082019-11-09T06:16:53Z2019-11-09T22:20:55Z<p>I am writing a sci fi novel in which one of the primary factions is a lost space colony sent to Proxima Centauri (Alpha Centauri C) roughly 350 years prior on a generation ship. The trip took ro...https://scientific-speculation.codidact.com/posts/256340Can a Sunset Be Black (Infrared)?overlord - Reinstate Monicahttps://scientific-speculation.codidact.com/users/78782019-09-25T16:26:19Z2019-09-26T15:23:38Z<p>Fact 1: The cause of a sunset is from the angle of the sunlight, because the amount of scattering increases as the light passes through more and more of the atmosphere.</p>
<p>Fact 2: Higher ...https://scientific-speculation.codidact.com/posts/237025What should the approximate climate of a world with almost no sunlight be?Exanderhttps://scientific-speculation.codidact.com/users/417042017-11-17T20:24:25Z2019-09-26T05:06:38Z<p>We are developing a game setting and, while discussing certain aspects of the it, have stumbled upon our inability to adequately account for some phenomena due to our lack of knowledge. The thin...https://scientific-speculation.codidact.com/posts/256231Penumbra colors of a flat earth's sun-shadesHaemhttps://scientific-speculation.codidact.com/users/310062019-09-22T14:51:36Z2019-09-24T22:13:27Z<p>So, I have been watching a lot of flat-earth debunking videos on YouTube, which has tickled my world-building bone. So, I'm imagining a world with a sphere of sunlight-level luminosity hanging r...https://scientific-speculation.codidact.com/posts/256214At what time of day does the illuminance coincide with that on my planet at noon?URIZENhttps://scientific-speculation.codidact.com/users/440692019-09-22T00:05:02Z2019-09-23T11:58:41Z<p>My planet (I'll call it <span class="math-container">$P$</span> for practical reasons) is 2 AU from the Sun, a distance in which it receives 25 % of the sunlight that Earth receives. This can be...https://scientific-speculation.codidact.com/posts/256036A desert planet with temperate polar regions could sustain how much plant-life? Any?cowlinatorhttps://scientific-speculation.codidact.com/users/365632019-09-17T01:02:57Z2019-09-17T20:23:33Z<p>One proposed type of desert planet is one in which the equator and the "tropics" are harsh, hot deserts, but the polar regions are temperate, habitable, and lush with life.<br>
You can see an ex...https://scientific-speculation.codidact.com/posts/253376How would our skies look if our sun was a white dwarf instead?Anton Berkhoffhttps://scientific-speculation.codidact.com/users/438802019-05-31T15:28:16Z2019-09-07T03:12:12Z<p><strong>What I'm using your information for:</strong></p>
<p>My planet is small, has a thicker atmosphere than earth and it's orbiting a white dwarf. The main reason I chose it to be a white dw...https://scientific-speculation.codidact.com/posts/255611Can there be plants on the dark side of a tidally locked world?Johnarahttps://scientific-speculation.codidact.com/users/441412019-09-02T15:15:48Z2019-09-04T19:24:07Z<p>In my story, there is an Earth-sized planet orbiting a red dwarf, tidally locked to its parent star, with large oceans like Earth, two moons similar to ours and a thick atmosphere to distribute ...https://scientific-speculation.codidact.com/posts/254729How close to the Sun would you have to be to hear it?Jimmeryhttps://scientific-speculation.codidact.com/users/40872019-07-31T15:23:36Z2019-08-04T11:41:04Z<p>Taken from <a href="https://astronomy.stackexchange.com/a/12856/2844">this</a> fascinating answer:</p>
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<p>The Sun is immensely loud. The surface generates thousands to tens of
...https://scientific-speculation.codidact.com/posts/231788Dyson sphere with mirrorsb.Lorenzhttps://scientific-speculation.codidact.com/users/402022017-06-06T06:50:08Z2019-06-07T23:49:28Z<p>What would happen if the entire inner surface of a Dyson sphere (not necessarily a solid shell, maybe a very dense swarm) would be coated into a highly reflective material?</p>
<p>Let's say it ...https://scientific-speculation.codidact.com/posts/251731How to explain day is 10 times as bright but no warmer?user6760https://scientific-speculation.codidact.com/users/373502019-04-04T11:32:03Z2019-04-05T07:58:22Z<p>Set at the present day Earth, the daylight on average is ten times as bright as today, approximately 111,000 lux at noon for example and subject to geographic and the air quality etc. I am looki...https://scientific-speculation.codidact.com/posts/251356How far away from a Sol-class sun could a planet be and still be habitable?The Weasel Sagashttps://scientific-speculation.codidact.com/users/22272019-03-22T18:01:51Z2019-03-23T16:28:51Z<p>In my galaxy, I need a planet that is far enough away from its star to be relatively cold compared to Earth, but not so cold that liquid water cold not exist.</p>
<p>The planet has 2 continents...https://scientific-speculation.codidact.com/posts/250919Types of life on a planet in a sun-synchronous orbit?Nathan Hopphttps://scientific-speculation.codidact.com/users/435582019-03-08T21:41:52Z2019-03-19T17:55:29Z<p>Basically, a sun-synchronous orbit is where one side of an object is always facing a star as it revolves around it (much like our Moon is, which is where the phrase 'dark side of the moon' origi...https://scientific-speculation.codidact.com/posts/250436How do I figure out temperatures and amount of sunlight for a world?user61505https://scientific-speculation.codidact.com/users/435112019-02-18T21:43:05Z2019-02-27T06:26:33Z<p>How do I figure out the temperatures of certain latitudes on a planet with factors such as sunlight and the emission of heat and energy from a planet's interior? Assume the planet is smaller tha...https://scientific-speculation.codidact.com/posts/250181Life in permanent shadowSjiveruhttps://scientific-speculation.codidact.com/users/415752019-02-06T17:51:14Z2019-02-06T21:42:40Z<p>I've been experimenting with a fantasy world that is flat, with the sun fixed in place over the centre. The day-night cycle is provided by the sun dimming and then brightening again. Most of the...https://scientific-speculation.codidact.com/posts/219430What stellar qualities would allow our Sun to support human photosynthesis?zzuhttps://scientific-speculation.codidact.com/users/388902016-05-27T04:57:59Z2019-01-31T19:08:44Z<p>I am interested in a character or race of humanoids similar to the green man in the tent in Wolfe's <em>Book of the New Sun</em>. </p>
<p>What qualities would the Sun need to have in order to s...https://scientific-speculation.codidact.com/posts/237564Spotlight distribution in a hollow earth?C. Waldohttps://scientific-speculation.codidact.com/users/417842017-12-10T21:14:24Z2019-01-28T22:17:52Z<p>I've been toying with a concept for a hollow/inner Earth universe in which I would like to achieve an even distribution of light. The pickle is that the "sun" of this world operates like a beaco...https://scientific-speculation.codidact.com/posts/247769Can fiber optic cables be used to pipe sunlight into an underground bunker for growing plants?Erikhttps://scientific-speculation.codidact.com/users/54452018-11-19T18:42:49Z2018-11-19T21:06:20Z<p>One major problem with living underground is you lose all of that wonderful energy provided by the sun. This energy is useful for many things including growing plants for food. A window is effec...https://scientific-speculation.codidact.com/posts/246563Earth Orbit Extreme ChangePensivehttps://scientific-speculation.codidact.com/users/429962018-10-07T11:42:29Z2018-10-07T21:45:18Z<p>So recently I got slated for missing some glaring obvious flaws in my story on here, which I really do appreciate. I'm approaching the question from a different angle though, in two parts.</p>
...https://scientific-speculation.codidact.com/posts/217988Blacklight StarAndyD273https://scientific-speculation.codidact.com/users/530102016-03-11T15:50:55Z2018-10-06T00:38:57Z<p>Tangentially related to <a href="https://worldbuilding.stackexchange.com/questions/37777/the-evolution-of-neon-kittens">The evolution of neon kittens</a></p>
<p>Is is possible for a star to rad...https://scientific-speculation.codidact.com/posts/246459Opaque Solar Shield in Geosynchronous Orbit: Plausibility + Challenges of Maintaining OrbitIrving Washingtonhttps://scientific-speculation.codidact.com/users/429592018-10-01T22:43:10Z2018-10-01T23:27:42Z<p>Suppose humans of the late 21st century or beyond began constructing a solar shield as a solution to climate change. Suppose for some reason (open to suggestions) they choose to build the shield...https://scientific-speculation.codidact.com/posts/245384How can a remote planet with little to no sunlight have high wind speeds?J0hnhttps://scientific-speculation.codidact.com/users/427662018-08-29T17:56:50Z2018-09-07T17:23:10Z<p>I saw this question here: <a href="https://worldbuilding.stackexchange.com/questions/123374/can-i-have-wind-turbines-on-my-base">Can I have wind turbines on my base?</a> and someone else asked a...https://scientific-speculation.codidact.com/posts/244960How do I calculate the amount of sunlight a planet gets?Systemhttps://scientific-speculation.codidact.com/users/-12018-08-19T16:30:25Z2018-08-19T21:09:21Z<p>I'm working on a planet and I want to know what is the maximum amount of sunlight my planet gets in lux (for Earth It's 120000 lux). </p>
<p>My planet orbits an M4V class red dwarf that has a m...https://scientific-speculation.codidact.com/posts/244011Radiation Levels and Effects on Planet with 27 SunsFoxElementalhttps://scientific-speculation.codidact.com/users/61852018-07-24T13:58:06Z2018-07-25T16:40:27Z<p>Other posts from this thread will be posted here: </p>
<p><a href="https://worldbuilding.stackexchange.com/q/111855">How to make an Earth with 27 suns work</a> (Closed as a duplicate of the fol...https://scientific-speculation.codidact.com/posts/243052Are there size constraints to Time Bubbles?EveryBitHelpshttps://scientific-speculation.codidact.com/users/44522018-06-22T18:01:28Z2018-06-28T22:23:43Z<p>I'm creating various artificial <a href="https://worldbuilding.stackexchange.com/questions/57925/stopping-time-by-speeding-it-up-inside-a-bubble">Time Bubbles</a> in my universe where time flows...https://scientific-speculation.codidact.com/posts/224453How long could the sun be turned off without overly damaging planet Earth + humanity?subrunnerhttps://scientific-speculation.codidact.com/users/386662016-10-19T21:05:36Z2018-05-26T01:22:37Z<p><strong>Background story:</strong></p>
<p>Current Earth, in the close future. Astronomers have found first signs of extraterrestrial life: huge sheet-like objects (with surfaces easily as large...https://scientific-speculation.codidact.com/posts/241937Can visible light be blocked while still allowing for light for plants to survive to pass through?Sydney Sleeperhttps://scientific-speculation.codidact.com/users/421592018-05-14T04:56:33Z2018-05-18T18:27:54Z<p>What I'm thinking for this question is that some kind of filter is put around the sun by aliens that prevents some kinds of solar energy from passing through but allows other types.</p>
<p>Like...https://scientific-speculation.codidact.com/posts/221815Would a circumbinary planet have a differently colored sky depending on which star was visible?Pyritiehttps://scientific-speculation.codidact.com/users/245972016-08-10T11:17:00Z2018-04-09T19:41:15Z<p>One of the things that affects the color of the sky is the wavelengths of light that the star emits, like the image in <a href="https://worldbuilding.stackexchange.com/questions/48867/sky-color-...https://scientific-speculation.codidact.com/posts/240547How much darker could the sun get without killing off the plants necessary for the production of oxygen?Sydney Sleeperhttps://scientific-speculation.codidact.com/users/421592018-03-28T22:55:56Z2018-03-29T12:18:39Z<p>So essentially in my story, aliens put something around the sun that doesn't stop <em>all</em> the light from it hitting Earth, but only <em>some</em> of it, effectively dimming the light withou...https://scientific-speculation.codidact.com/posts/240412What would day and night look like in a circumbinary system?JAMShttps://scientific-speculation.codidact.com/users/421602018-03-23T02:19:00Z2018-03-23T21:30:09Z<p><a href="https://i.stack.imgur.com/FxvsK.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/FxvsK.png" alt="enter image description here"></a>I've been thinking of using a binary...https://scientific-speculation.codidact.com/posts/228453A world with only sunlight and a world with no sunlight (Fantasy)The Spartanhttps://scientific-speculation.codidact.com/users/54892017-02-13T19:25:33Z2018-03-10T23:37:21Z<p>I'm curious if it's possible for human life to survive in both of the following cases:</p>
<h1>1. A fantasy world with <strong>only</strong> sunlight (no night).</h1>
<h1>2. A fantasy world wi...https://scientific-speculation.codidact.com/posts/238894How would sunlight work in the area of shared atmosphere of a Rocheworld?Lenhttps://scientific-speculation.codidact.com/users/74542018-01-29T19:26:00Z2018-01-30T18:17:38Z<p>(See diagram) Presupposing that a Rocheworld can even exist... </p>
<p>I imagine that sunlight would work more or less the same in the atmosphere of any part of an Earth like planet that was ti...https://scientific-speculation.codidact.com/posts/238899Inducing a Solar FlareEnglishman Bobhttps://scientific-speculation.codidact.com/users/418052018-01-29T20:46:46Z2018-01-30T00:59:21Z<p>Is there a way to induce a solar flare / coronal mass ejection (CME)?</p>
<p>For instance, could a very tight glob of charged particles reconfigure the the Sun's corona leading to this type of ...https://scientific-speculation.codidact.com/posts/216843Can a habitable planet have mini-suns (i.e. solar satellites or glowing moons)?Crissovhttps://scientific-speculation.codidact.com/users/378442016-01-30T11:24:55Z2018-01-30T00:28:15Z<p>Suns are stars. They are orbited by planets, and sometimes other stars. Planets are orbited by moons. Reasonably advanced civilizations may launch artificial satellites into orbits around their ...https://scientific-speculation.codidact.com/posts/238688Tree bark on tidally locked planetsGoingFTLhttps://scientific-speculation.codidact.com/users/414802018-01-21T20:36:59Z2018-01-22T20:18:32Z<p>I saw <a href="https://www.youtube.com/watch?v=slynruF09Kg" rel="nofollow noreferrer">this video</a>, and I'm curious what color bark would be if the sun was in one position constantly.</p>
<p>...https://scientific-speculation.codidact.com/posts/238272Perceiving color like a nativeJBHhttps://scientific-speculation.codidact.com/users/29562018-01-06T04:05:14Z2018-01-07T18:55:50Z<p><strong>Assumptions</strong></p>
<ul>
<li><p>One habitable world in each system (blue sun system and yellow sun system).</p></li>
<li><p>The two worlds are fundamentally Earth-like.</p></li>
<l...https://scientific-speculation.codidact.com/posts/234829The 372-Day CalendarJohnWDaileyhttps://scientific-speculation.codidact.com/users/43992017-09-13T21:47:37Z2017-09-13T22:08:20Z<p>There seems to be a connection between orbital revolution (one year) and distance from the star the body orbits. For example, Earth orbits the sun at a distance of 93 million miles and complete...https://scientific-speculation.codidact.com/posts/234343Defining the perceived appearance of a moon from a planetary surface1312412https://scientific-speculation.codidact.com/users/411542017-09-01T07:03:21Z2017-09-01T13:03:03Z<p>I have a homebrew setting with a moon that has some specific features orbiting an Earth sized planet, and I'm trying to find out how these features would affect how the moon looks from the surfa...https://scientific-speculation.codidact.com/posts/234139Device close to sun to focus energy to satellite in Earth Orbit for energy generationEric Johnsonhttps://scientific-speculation.codidact.com/users/243322017-08-25T20:20:56Z2017-08-26T21:03:35Z<p>The light from the sun is dissipated in a sphere, so there is a squared relationship between the distance from the sun. Would it be possible to place either a lens or solar collectors with a la...https://scientific-speculation.codidact.com/posts/232999Warming up MarsSimbahttps://scientific-speculation.codidact.com/users/56412017-07-18T15:43:35Z2017-07-19T10:55:02Z<p>The vast majority of the sun's energy is wasted -- the light and warmth are sent out in a spherical shape, and the planets only pick up those little bits of energy that happen to be going in the...