https://scientific-speculation.codidact.com/categories/15/tags/2225.rssNew Posts Tagged 'photosynthesis' - Scientific SpeculationScientific Speculation - Codidact2020-05-24T00:00:22Zhttps://scientific-speculation.codidact.com/posts/263367Is it feasible to have an oxidizing planetary atmosphere without the presence of an organic photosynthesis of some kind on the planet?RosesBouquethttps://scientific-speculation.codidact.com/users/448862020-05-23T22:33:46Z2020-05-24T00:00:22Z<p>With the emergence of cyanobacteria on earth 3.5 billion years ago, the shift from a reducing to an oxidizing atmosphere began.</p>
<p>"The atmospheric O<span class="math-container">$_\textrm{2...https://scientific-speculation.codidact.com/posts/254102Archipelago worlds build up atmospheric oxygen faster?aadvhttps://scientific-speculation.codidact.com/users/439842019-07-05T03:11:12Z2020-02-21T04:11:00Z<p>I've read super-earths might become archipelago planets. Picture shallow seas, under a thick atmosphere that alternates between muggy and clammy. Because a bigger share of the surface would be c...https://scientific-speculation.codidact.com/posts/256204An ecosystem based on anoxygenic photosynthesis?Trond Jansenhttps://scientific-speculation.codidact.com/users/441742019-09-21T18:53:11Z2019-09-22T12:34:14Z<p>The organisms in the oxygen based ecosystem we have today is perfectly adapted to each other. The ocean is filled with water, and on land it falls from the sky. Plants, algae and cyanobacteria s...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/255551What would a silicone-based plant, especially a tree, look like?Li Junhttps://scientific-speculation.codidact.com/users/436952019-08-31T02:54:34Z2019-09-05T15:49:47Z<p>This question's information is based on the answer in my previous question about <a href="https://worldbuilding.stackexchange.com/questions/154036/what-the-aquatic-creature-need-in-order-to-live...https://scientific-speculation.codidact.com/posts/255499Alternative to Magnesium's Role in PhotosynthesisAltraxianhttps://scientific-speculation.codidact.com/users/441052019-08-28T22:03:06Z2019-08-29T11:20:07Z<p>It is a known fact that magnesium is a very important part of photosynthesis and chlorophyll. I have looked everywhere to try to find out this question but I have never really gotten a solid ans...https://scientific-speculation.codidact.com/posts/233457If humans could photosynthesize, what would our clothing look like?Jim Wuhttps://scientific-speculation.codidact.com/users/392692017-08-03T19:29:36Z2019-08-23T20:41:25Z<p>So we humans get big into genetic modification and figure out how to make ourselves photosynthesize through our skin, and somehow it generates enough energy to be worth our while. Obviously we'd...https://scientific-speculation.codidact.com/posts/255300Algae using UV light from auroras for photosynthesisRenanhttps://scientific-speculation.codidact.com/users/389332019-08-20T19:38:49Z2019-08-21T14:11:54Z<p>I was reading some questions on Quora and I found <a href="https://www.quora.com/What-would-happen-if-rainforests-disappeared/answer/Paul-Noel-5" rel="noreferrer">this claim:</a></p>
<blockquot...https://scientific-speculation.codidact.com/posts/255248Nocturnal PhotosynthesisJohnWDaileyhttps://scientific-speculation.codidact.com/users/43992019-08-19T20:51:00Z2019-08-19T23:13:28Z<p>It's a basic fact that most plants need sunlight to generate growth. Sure, they also need water and nutrients, but their reliance on sunlight is the one sole thing that separates them from anim...https://scientific-speculation.codidact.com/posts/251116What light would my cloudy planet receive from a red dwarf star?CatoRockwellhttps://scientific-speculation.codidact.com/users/435852019-03-15T19:39:32Z2019-05-31T22:57:44Z<p>What light spectrum would hit the surface of a planet orbiting a red dwarf star?</p>
<p>The planet is a humid greenhouse with a cloudy atmosphere and a strong ozone layer. Over 80% of the surfa...https://scientific-speculation.codidact.com/posts/251851What could justify an animal photosynthesis?Argemionehttps://scientific-speculation.codidact.com/users/436532019-04-09T15:28:20Z2019-05-06T01:16:56Z<p>Photosynthesis does not provide enough energy to allow animal activities on its own (see <a href="https://worldbuilding.stackexchange.com/questions/38394/efficiency-required-of-a-photosynthetic-...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/246706Photosynthesis analog, plausible?Catershttps://scientific-speculation.codidact.com/users/22412018-10-12T21:00:02Z2018-10-12T23:52:15Z<p>So on a planet with a chlorine based atmosphere and only a small amount of oxygen, here is my proposed mechanism for chlorine based photosynthesis. </p>
<p>Carbon tetrachloride, since it is a l...https://scientific-speculation.codidact.com/posts/243098Can a planet harbor plants of different colors without one pigment outcompeting the others?SealBoihttps://scientific-speculation.codidact.com/users/61612018-06-24T10:23:12Z2018-06-27T00:17:32Z<p>On Earth, all plants are green because they contain the pigment chlorophyll, which photosynthesizes by absorbing all light except green light.</p>
<p>However, it is quite possible - if not like...https://scientific-speculation.codidact.com/posts/231409Creating plants that do not rely on photosynthesis but still create oxygenXenobearhttps://scientific-speculation.codidact.com/users/408792017-05-22T23:24:49Z2018-06-05T08:01:54Z<p>My planet has an increased axial tilt, resulting in crazier winters and summers and higher temperatures. For most places, the temperature never drops below freezing - even in the winter, but the...https://scientific-speculation.codidact.com/posts/239528Given an apparent solar brightness of <30% Sol from Earth, how differently would plants evolve?Rúnatál Davinohttps://scientific-speculation.codidact.com/users/59512018-02-16T12:54:10Z2018-02-17T19:28:32Z<p>Though my star is 1.71 L<sub>Sol</sub>, my planet orbits at about 2.14 AU. Following a back-of-the-envelope equation for apparent brightness, this gives the surface of my planet approximately 30...https://scientific-speculation.codidact.com/posts/238784Biochemistry of Plants harnessing heat-energy when blue-shifted light is scarceChristmas Snowhttps://scientific-speculation.codidact.com/users/412212018-01-24T21:14:11Z2018-01-25T15:18:25Z<p><em>What biochemical reactions might be employed by plants to harvest heat energy when light energy is scarce or even missing? What is the temperature range over which this biochemical reaction ...https://scientific-speculation.codidact.com/posts/211104What would the flora on a Methane world be like?JDSweetBeathttps://scientific-speculation.codidact.com/users/822015-04-15T13:11:00Z2018-01-18T00:55:09Z<h1>Linked:</h1>
<p><a href="https://worldbuilding.stackexchange.com/questions/14316/what-would-animal-life-on-a-methane-world-look-like-and-how-would-it-evolve">What would animal life on a methan...https://scientific-speculation.codidact.com/posts/237593A double-bright Moon and plant growthGreenhttps://scientific-speculation.codidact.com/users/69632017-12-11T22:19:33Z2017-12-12T08:25:23Z<p>It's Earth and the moon with all parameters as they are in real life with one exception, the moon is twice as reflective as usual. Instead of an <a href="http://www.asterism.org/tutorials/tut26-...https://scientific-speculation.codidact.com/posts/237355Why would plants on an Earth-like planets photosynthesize without using blue-wavelength light?JSCoder says Reinstate Monicahttps://scientific-speculation.codidact.com/users/411262017-11-30T22:47:34Z2017-12-02T18:52:53Z<p>According to <a href="https://en.wikibooks.org/wiki/Biology,_Answering_the_Big_Questions_of_Life/Photosynthesis#Why_are_plants_green.3F" rel="nofollow noreferrer">Wikipedia</a>,</p>
<blockquote...https://scientific-speculation.codidact.com/posts/235649How to Use Photosynthesis Creatively in HumansLot-Of-Malarkeyhttps://scientific-speculation.codidact.com/users/415142017-10-07T07:05:11Z2017-10-07T22:27:17Z<p>I've seen many questions here about humans being capable of photosynthesis. And I know, humans don't have enough surface area to power themselves full time. However, that's assuming that the ene...https://scientific-speculation.codidact.com/posts/235164Chloroplast organelle in humanEtanos24https://scientific-speculation.codidact.com/users/414012017-09-22T17:52:08Z2017-09-22T19:26:37Z<p>Could a human's DNA be altered so that in every skin cell they would have a <a href="https://en.wikipedia.org/wiki/Chloroplast" rel="nofollow noreferrer">chloroplast</a> organelle? How would thi...https://scientific-speculation.codidact.com/posts/216598A more alien world: FloraQuiquÈ…https://scientific-speculation.codidact.com/users/381662016-01-21T23:04:49Z2017-06-27T11:02:58Z<p>In the (relatively new) <em>Star Trek</em> movie <em>Into Darkness</em>, we see Dr. Bones and Captain Kirk in a world composed mainly of red plants. Obviously these are just eye candy with no re...https://scientific-speculation.codidact.com/posts/231574Calculating the solar spectrum received by a planetEttina Kittenhttps://scientific-speculation.codidact.com/users/409162017-05-29T20:56:50Z2017-06-01T15:49:34Z<p>How do I calculate the spectrum of light experienced on the surface of an alien planet? I need it to decide what color the local photosynthetic life will predominantly be.</p>
https://scientific-speculation.codidact.com/posts/218177Efficiency required of a photosynthetic system to support human level activitiesGreenhttps://scientific-speculation.codidact.com/users/69632016-03-18T18:55:20Z2017-05-02T05:06:11Z<p>Chlorophyll as we know it on earth is estimated to be between <a href="https://en.wikipedia.org/wiki/Photosynthetic_efficiency" rel="noreferrer">3% and 6% efficient</a> in converting light energ...https://scientific-speculation.codidact.com/posts/230169Creating the Alga of algaeMephistopheleshttps://scientific-speculation.codidact.com/users/35842017-04-06T18:48:15Z2017-04-07T09:41:33Z<p>I have to feed my dinosaurs, the plants in the land are mostly destroyed, but the ocean is almost "untouched", so of course, I'm gonna feed my feathery friends with <strong>a lot</strong> of alg...https://scientific-speculation.codidact.com/posts/229996Could a plant-like forest or jungle form in an underground lava dependent ecosystem?Stephen Schroederhttps://scientific-speculation.codidact.com/users/406502017-03-31T19:23:37Z2017-04-01T02:12:23Z<p>Could an alien underground macroscopic ecosystem including human sized plant-like organisms evolve around lava as an energy source? These organisms could use heat and/or light from the lava to s...https://scientific-speculation.codidact.com/posts/216992Thermosynthetic Life-formAnonymÃahttps://scientific-speculation.codidact.com/users/384582016-02-04T03:31:36Z2017-03-24T12:54:31Z<p>As recommended by another user, on a different question I asked, I pose this new question under the following criteria:</p>
<p>The creature I'm trying to create has evolved, though it may not h...https://scientific-speculation.codidact.com/posts/227806Is it feasible for an organism to feed off cosmic radiation?pablodf76https://scientific-speculation.codidact.com/users/401852017-01-21T20:05:51Z2017-01-22T13:39:11Z<p><a href="https://en.wikipedia.org/wiki/Cosmic_ray" rel="nofollow noreferrer">Cosmic rays</a> are energetic particles coming from space that hit the Earth's atmosphere and produce a lot of <a hre...https://scientific-speculation.codidact.com/posts/214049Hydrogenenic Photosynthesis: Strategies for animalsrumguffhttps://scientific-speculation.codidact.com/users/378512015-09-13T14:56:13Z2015-09-16T16:29:26Z<p>Hydrogenic photosynthesis reduces methane and water to build biomass ($\text{CH}_2\text{O}$) and releases hydrogen:</p>
<p>$$\text{CH}_4 + \text{H}_2\text{O} + \text{photons} \to \text{CH}_2\te...