https://scientific-speculation.codidact.com/categories/25/tags/2036.rssNew Posts Tagged 'planets' - Scientific SpeculationScientific Speculation - Codidact2021-06-01T21:54:36Zhttps://scientific-speculation.codidact.com/posts/281763Could a habitable planet lit by the cosmic microwave background plausibly exist?celtschkhttps://scientific-speculation.codidact.com/users/80562021-05-14T08:11:00Z2021-06-01T21:54:36Z<p>I've got this idea of a rogue planet that is moving that fast through the intergalactic void that the cosmic microwave radiation, thanks to the Doppler effect, actually provides enough heat that...https://scientific-speculation.codidact.com/posts/206148Are geographically typed planets realistic?Liathhttps://scientific-speculation.codidact.com/users/25442014-09-16T19:39:15Z2020-07-07T14:02:54Z<p>In many science fictions we see planets which are designated by a particular terrain type. For example, Dagobah is a swamp planet, Tatooine is a desert planet, and Kamino is an ocean world.</p>
...https://scientific-speculation.codidact.com/posts/271693Asteroid flux or: How to make a planet perfect for miningHDE 226868https://scientific-speculation.codidact.com/users/363722015-03-20T15:31:44Z2020-07-01T19:16:50Z<p>One of the cool things about the Moon is that the far side has a thicker crust that the near side.<sup><a href="http://sservi.nasa.gov/articles/far-side-of-the-moon-explained/" rel="noreferrer">...https://scientific-speculation.codidact.com/posts/213979How do seasons work in a binary system (planet orbits one star, not both)?Monica Celliohttps://scientific-speculation.codidact.com/users/80462015-09-09T02:16:43Z2020-06-17T01:15:18Z<p>I have a planet orbiting one star in a binary system. When the planet is exactly between the two stars it will experience a <a href="https://scientific-speculation.codidact.com/questions/213937...https://scientific-speculation.codidact.com/posts/216030How much does my secondary star heat the planet orbiting my primary star?Monica Celliohttps://scientific-speculation.codidact.com/users/80462015-12-25T18:01:55Z2020-06-17T01:14:13Z<p>In <a href="https://scientific-speculation.codidact.com/questions/213979">this question</a> I asked about the lighting patterns from this system:</p>
<p><a href="https://i.stack.imgur.com/UyIOs....https://scientific-speculation.codidact.com/posts/258286Inverse orbital directionZavaelhttps://scientific-speculation.codidact.com/users/364562019-12-05T07:28:57Z2020-06-03T01:25:02Z<p>Is it possible that a planet/moon will have inverse direction comparing to the rest orbiting material?</p>
<p>For example Mars would go in counter direction comparing to other planets in solar ...https://scientific-speculation.codidact.com/posts/263432Do seasons occur on a tidally-locked planet?Mister Onionhttps://scientific-speculation.codidact.com/users/527872020-05-26T19:59:09Z2020-06-02T19:01:55Z<p>I have done some research and so much contradict one another or I simply fail to understand.</p>
<p>Do seasons occur on a tidally locked planet that isn't tilted on its axis?</p>
https://scientific-speculation.codidact.com/posts/273681How do I calculate the loss of primordial heat for a given age and mass of a planet?TheDyingOfLighthttps://scientific-speculation.codidact.com/users/432232019-06-06T17:24:41Z2020-06-02T18:38:11Z<p>I'm working on a computer program which generates realistic planets for worldbuilding purposes. I've run into an issue with calculating my planets heat loss. While radiogenic and tidal heat gene...https://scientific-speculation.codidact.com/posts/208703What could cause Earth to drift out of orbit over a period of months to years?Monica Celliohttps://scientific-speculation.codidact.com/users/80462015-01-11T19:24:49Z2020-06-02T17:56:47Z<p>I would like to have Earth slowly move away from the sun, taking somewhere between several months and a couple of years to reach the point where human life on the surface is no longer possible. ...https://scientific-speculation.codidact.com/posts/274135How to Calculate Apparent Magnitude/Brightness of Planets from Within the same Solar SystemA.E. Stephensonhttps://scientific-speculation.codidact.com/users/447512020-03-30T20:59:21Z2020-05-31T17:19:19Z<p>I'd like to be able to determine the appearance of the night sky from an Earth-like planet, in a solar system with multiple other planets, moons, and other bodies. Here on Earth, we can directly...https://scientific-speculation.codidact.com/posts/263478How large would be the habitable area in a tidally locked planet?Mister Onionhttps://scientific-speculation.codidact.com/users/527872020-05-28T14:37:28Z2020-05-28T19:12:04Z<p>The planet is identical to Earth except for one twist.
It is not axially rotated but has an elliptical orbit, causing longer, planetwide winters.</p>
<p>I would just like to ask what the width ...https://scientific-speculation.codidact.com/posts/263369Are these traits for my planet mathematically accurate? Could it support life?Praearcturushttps://scientific-speculation.codidact.com/users/448812020-05-23T23:10:59Z2020-05-25T21:55:01Z<p>Mass of star: 0.75 M☉</p>
<p>Radius of star: 0.69 R☉</p>
<p>Surface temperature of star: 4,620° K</p>
<p>Luminosity of star: 0.2 L☉</p>
<p>Satellites: 2</p>
<p>Place in solar system:...https://scientific-speculation.codidact.com/posts/263398Earth-sized Moon with Host Planet launched from Star Systemuser76027https://scientific-speculation.codidact.com/users/527912020-05-25T06:09:18Z2020-05-25T14:12:19Z<p>Could a planet with the size and characteristics of the Earth orbit a gas giant and would the earth-like moon be able to maintain its orbit if the gas giant went rogue and was launched from its ...https://scientific-speculation.codidact.com/posts/263343Properties of an Argon based gas giantRMurphy-Keithhttps://scientific-speculation.codidact.com/users/420442020-05-23T00:23:43Z2020-05-23T02:02:10Z<p>I am writing a novel where a habitable moon orbits a purple gas giant. In looking here and elsewhere I'm finding it incredibly hard to get a sense of the elements-breakdown of elements that woul...https://scientific-speculation.codidact.com/posts/263271How far above the galactic plane could an Earth-like planet develop?Vigilanthttps://scientific-speculation.codidact.com/users/438592020-05-19T23:37:27Z2020-05-20T21:26:41Z<p>I was zooming around on Space Engine and came across <a href="https://imgur.com/a/7Z4l5va" rel="noreferrer">the moon of a gas giant that was hovering well above the galactic plane</a>. I'm admit...https://scientific-speculation.codidact.com/posts/263199How large and compact could a cold east Mongolia-like steppe be on an Earth-sized planet?galactic_analyzerhttps://scientific-speculation.codidact.com/users/445642020-05-16T00:10:53Z2020-05-17T21:38:16Z<p>Welcome to planet X! Planet X is the same as Earth in radius, composition, axial tilt and orbits star Y (identical to the Sun). Planet X has a moon known as moon Z (identical to Earth's moon).</...https://scientific-speculation.codidact.com/posts/263202Would a civilization living on a planet without a moon still come up with the concept of months?galactic_analyzerhttps://scientific-speculation.codidact.com/users/445642020-05-16T03:27:41Z2020-05-17T05:08:06Z<p>We divide the year into months of ~30 days because that's roughly the period of the moon, adapted to fit a solar year.</p>
<p>However, would a civilization living on a world with no moon but a ...https://scientific-speculation.codidact.com/posts/262008How Would I Make an Oceanless World Feasible?The Weasel Sagashttps://scientific-speculation.codidact.com/users/22272020-04-02T18:24:56Z2020-05-15T23:11:05Z<p>The planet I'm thinking of is of similar size and distance from its star relative to Earth, but it lacks oceans, instead consisting of one massive continent with a huge mountain range (reminisce...https://scientific-speculation.codidact.com/posts/262989How can a rogue planet get energy for plants to use?Chickenpeep Chickenpeephttps://scientific-speculation.codidact.com/users/441652020-05-07T18:44:55Z2020-05-10T03:38:28Z<p>This rogue planet is a cold rocky world where liquid methane replaces water, hydrogen is used in place of oxygen, and a large moon.</p>
<p>I was thinking the large moon would have a large tidal...https://scientific-speculation.codidact.com/posts/262421Is there a plausible way to have a Gas Giant with two or more earth to mars sized moons orbiting it in the Habitable zone?Khwarezmhttps://scientific-speculation.codidact.com/users/374922020-04-19T20:35:41Z2020-05-08T22:53:17Z<p>A hypothetical scenario I'm batting around in my head is a Habitable Gas Giant system consisting of a roughly Saturn sized body orbiting a sun like star at a comfy goldilocks zone distance. Orbi...https://scientific-speculation.codidact.com/posts/274174Greenhouse Effect Strength- Ammonia WorldSam D. Joneshttps://scientific-speculation.codidact.com/users/447992020-05-07T14:24:23Z2020-05-07T16:29:31Z<p>I've been working on designing how an ammonia-ocean world might work and I've settled basically everything except one. I cannot for the life of me find any sources that actually provide a decent...https://scientific-speculation.codidact.com/posts/262879Putting together a research expedition to an alien planet - what kind of scientists am I taking with me?Fazhttps://scientific-speculation.codidact.com/users/441872020-05-05T04:12:43Z2020-05-06T07:40:33Z<p>It's the 22nd century and we have discovered a derelict alien craft somewhere in the Oort cloud. The craft contains a star chart showing its origin on an alien planet some 30 light years away. L...https://scientific-speculation.codidact.com/posts/262903When earth is filled to the brim with plant-life, can it cause a hyperoxic environment?chaeltomhttps://scientific-speculation.codidact.com/users/448502020-05-05T19:05:06Z2020-05-05T19:52:59Z<p>Say humans found a way to exponentially increase the capability of plants to grow. Is it possible for it to cause an environment that can cause oxygen toxicity in humans?</p>
https://scientific-speculation.codidact.com/posts/262873Temperatures on an Earth with a week-long rotational periodRyan Williamsonhttps://scientific-speculation.codidact.com/users/447942020-05-04T22:10:18Z2020-05-05T17:32:30Z<p>To make things simple, assume Earth had a slower rotation than it does. How would that affect daily highs and lows in temperature? Is there a simple way to figure it out? Was thinking a week-lon...https://scientific-speculation.codidact.com/posts/262847Would it make sense to send potential human colonists on the initial manned expedition to a habitable, Earth-like planet?Space_Cadethttps://scientific-speculation.codidact.com/users/442772020-05-03T21:03:27Z2020-05-04T15:31:14Z<p>In the near future, humanity has spread out across the Solar System. A new planet is discovered, let's say 30 light years away, that shows it to be Earth-like and could harbor Earth life without...https://scientific-speculation.codidact.com/posts/262398I want ten Earth-years long day on my planet. Can I have it?Zjerzyhttps://scientific-speculation.codidact.com/users/438262020-04-18T15:26:22Z2020-04-30T18:21:40Z<p>I need ten Earth years long day-night cycle on my planet.</p>
<p>Hemera is a world I am creating as a setting for my story. Name comes from Greek deity - personification of Day. Needs of storyt...https://scientific-speculation.codidact.com/posts/262705Is my planet realistic?LonelyCryptidhttps://scientific-speculation.codidact.com/users/448192020-04-27T11:37:01Z2020-04-28T20:29:59Z<p>Is my planet realistic? It doesn't need to be able to support life as it's just another planet in my solar system, but is a planet with such a high density and gravity really possible? I calcula...https://scientific-speculation.codidact.com/posts/262702What is the tallest mountain possible in any gravitational environment?Slartyhttps://scientific-speculation.codidact.com/users/56482020-04-27T10:00:34Z2020-04-28T01:15:21Z<p>In world building it is often interesting to consider extreme landscapes "“ how tall can a mountain be on Earth for example. But what is the tallest mountain possible in any gravitational enviro...https://scientific-speculation.codidact.com/posts/261855Binary Star System Build - Alpha Centauriuser72655https://scientific-speculation.codidact.com/users/446382020-03-27T03:30:22Z2020-04-26T21:04:05Z<p>I'm not sure if this site or Astronomy would be better, but I figured I would try here instead. I am
attempting to create a [semi]plausible star system in Alpha Centauri for a series. The syste...https://scientific-speculation.codidact.com/posts/262608Is it possible for a planet to only support liquid water at the poles?Ichthys Kinghttps://scientific-speculation.codidact.com/users/448042020-04-23T21:30:30Z2020-04-24T05:12:28Z<p>Could a planet be hot enough that oceans could form at the poles, but would boil at the equator? And would oceans form at all on this planet?</p>
https://scientific-speculation.codidact.com/posts/262478Could habitable planets form in an ultracompact galaxy?RandySavagehttps://scientific-speculation.codidact.com/users/443002020-04-21T14:22:06Z2020-04-22T15:02:24Z<p>I am wondering if habitable planets could form around stars in super dense dwarf galaxies. There are some super dense galaxies such as M60-UCD1 and M85-HCC1 which can have a typical distance bet...https://scientific-speculation.codidact.com/posts/262253Would a life-bearing Earth-like world with 3g average gravity produce more or fewer flying creatures than Earth?James Grossmannhttps://scientific-speculation.codidact.com/users/33032020-04-12T00:30:39Z2020-04-13T20:25:59Z<p>On one hand, heavier gravity would make flying more difficult, owing to greater weight restrictions on the flying creatures' bodies. </p>
<p>On the other hand, the greater density of the atmo...https://scientific-speculation.codidact.com/posts/262291Distance from Jupiter to minimize destructive tidal forcesCarlos Zamorahttps://scientific-speculation.codidact.com/users/424762020-04-13T05:10:38Z2020-04-13T12:32:57Z<p>There is a video from "What If" that tells about (precisely) "What if Earth was a moon of Jupiter":<BR><a href="https://www.youtube.com/watch?v=9VYgI79nFtw" rel="nofollow noreferrer">What if the...https://scientific-speculation.codidact.com/posts/262256Can a perpetually darkening atmosphere exist and yet still allow life to evolve?QUESTER42https://scientific-speculation.codidact.com/users/439062020-04-12T08:19:16Z2020-04-12T22:23:53Z<p>I am creating a science fiction worldbuilding project, in which humanity has colonised distant exoplanets. One such planet is a Venus-like planet in the sense that it has a perpetual cloud cover...https://scientific-speculation.codidact.com/posts/262208How did aliens on a habitable planet hide themselves during the recon and scouting stage by human colonists?Fazhttps://scientific-speculation.codidact.com/users/441872020-04-09T22:08:29Z2020-04-12T16:46:28Z<p>We've found a habitable planet orbiting a red dwarf star some light years away and conditions are Earth-like enough that a colonization project was initiated. Before any humans landed on the pla...https://scientific-speculation.codidact.com/posts/261988Planet with double the orbital period of EarthJuliannehttps://scientific-speculation.codidact.com/users/447612020-04-02T13:57:20Z2020-04-08T17:07:04Z<p>I need a planetary system for my novel where an Earth-like warm habitable planet has an orbital period of about 650 to 730 days. I know that is similar to Mars and that Mars would be too cold. W...https://scientific-speculation.codidact.com/posts/262118Is it possible for a planet to have an area saturated with lava but at the same time is still habitable to humans and other lifeforms?In the name of the storyhttps://scientific-speculation.codidact.com/users/446172020-04-06T07:34:21Z2020-04-07T07:05:51Z<p>An area of my planet is <em>very</em> saturated with lava. Being quite similar to the <a href="https://www.google.com.ph/url?sa=t&rct=j&q=&esrc=s&source=web&cd=8&ved=2ahUKEwiWwcyKk9PoAhWGwpQKHfR...https://scientific-speculation.codidact.com/posts/262085I'm formulating a planet that has silver dust on its surface, and ideally has rivers of mercury flowing on it, possible? Human survival not necessaryRJ0001https://scientific-speculation.codidact.com/users/447672020-04-05T12:18:13Z2020-04-05T22:04:04Z<p>I'm new to this and my scientific knowledge is massively lacking in this area (so please take it easy on me!) I'm writing a historical science-fiction novel. Parts of it set in the past (1977) a...https://scientific-speculation.codidact.com/posts/262065Giant planet renders one side of its moon deadly, the 'shadow side' habitable. How?N. Bleachttps://scientific-speculation.codidact.com/users/415542020-04-04T17:41:37Z2020-04-05T15:01:35Z<p>My project concerns a world "A", that is a moon of a gas giant "Jovi", in a solar system with no other planets to speak of and a host star much like our own.</p>
<p>"A" is Earth-sized, has no m...https://scientific-speculation.codidact.com/posts/262062How Would I Believably Wipe Out an Entire Planet's Population and Culture Without Destroying Said Planet?The Weasel Sagashttps://scientific-speculation.codidact.com/users/22272020-04-04T17:13:00Z2020-04-05T04:03:50Z<p>In my story, there is a planet. The planet's name is not really important for the sake of this question, so we're going to refer to it as "dead planet".</p>
<p>Background:</p>
<ul>
<li><p>Dead...https://scientific-speculation.codidact.com/posts/261693Plausible reasons for a whole planet to have a temperate oceanic climate?The Weasel Sagashttps://scientific-speculation.codidact.com/users/22272020-03-20T04:36:19Z2020-03-20T22:21:16Z<p>In my book series, I'm worldbuilding a planet whose culture is based on Celtic mythology and history, and in order to be consistent with real life I feel like the whole planet's environment need...https://scientific-speculation.codidact.com/posts/261617Would these processes be probable on this planet?Covisionhttps://scientific-speculation.codidact.com/users/447232020-03-18T03:24:27Z2020-03-19T22:30:47Z<h1>Background</h1>
<p>This planet, located somewhere in the Andromeda galaxy, orbits a M5V star about 0.682764 AU away from its star. The planet is volcanically active due to the gravitational f...https://scientific-speculation.codidact.com/posts/261386Consequences of hitting a Pluto-like planet with a highly luminiferous meteorite?CAE Joneshttps://scientific-speculation.codidact.com/users/441102020-03-10T22:44:43Z2020-03-15T15:50:36Z<p>While the intended end state is that this planet can support space-faring lifeforms, the solution under question needs a sanity check. I cannot commit to many numbers with how speculative this a...https://scientific-speculation.codidact.com/posts/261142Are Geologically Dead Planets Habitable?The Weasel Sagashttps://scientific-speculation.codidact.com/users/22272020-03-03T17:56:51Z2020-03-15T14:09:16Z<p>One of the planets I'm thinking of for my book series has all of its landmass in the northernmost half of the northern hemisphere (it is thus mostly a water world) and is completely geologically...https://scientific-speculation.codidact.com/posts/261401How massive would a planet need to be to sustain negligible damage from impact with the Earth?Waxhttps://scientific-speculation.codidact.com/users/442442020-03-11T06:34:46Z2020-03-12T07:42:29Z<p>I'm curious what factors a terrestrial planet impacting the Earth would require for the impact to cause negligible damage to the larger planet, while destroying the Earth.</p>
https://scientific-speculation.codidact.com/posts/261383What are planetary side effects of having a thicker atmosphere?Vigilanthttps://scientific-speculation.codidact.com/users/438592020-03-10T22:20:47Z2020-03-11T01:14:35Z<p>I've been told that having a thicker atmosphere would make it easier to fly, particularly of heavier-than-air designs, so I'm interested in giving my planet such conditions. I'm mainly intereste...https://scientific-speculation.codidact.com/posts/261362What kind of climates and biomes would exist on the continents a tidally locked ocean world?SentiCarterhttps://scientific-speculation.codidact.com/users/432362020-03-10T07:31:31Z2020-03-10T15:56:21Z<p>Please note: I am asking about planet orbiting a star, not a moon orbiting a planet.</p>
<p>So I've been trying to get this planet down for a long while now but there are still so many pieces o...https://scientific-speculation.codidact.com/posts/261215What are some ways to hide a planet?Primordialhttps://scientific-speculation.codidact.com/users/446852020-03-05T06:11:58Z2020-03-07T01:17:09Z<p>A major plot point for my story is the Protagonist stumbling upon a planet that was purposely hidden from the rest of the galaxy (at the edge of the galaxy) as it's being used by high level gove...https://scientific-speculation.codidact.com/posts/261224Colonies on JupiterCatSharkSnakehttps://scientific-speculation.codidact.com/users/446882020-03-05T12:52:15Z2020-03-06T12:56:22Z<p>I'm making a series where a multi-purpose frigate travels to Jupiter in order to help in the Mars versus Jupiter war. </p>
<p>However, I don't know what the colonies would look like. </p>
<p>M...https://scientific-speculation.codidact.com/posts/261243How can early people prove that their planet is a cuboid?user6760https://scientific-speculation.codidact.com/users/373502020-03-06T00:21:18Z2020-03-06T07:23:30Z<p>Imagine a cuboid planet with a thick atmosphere orbiting a star similar to our Sun. The inhabitants are as intelligent as humans and recently discovered the universal laws of gravitation and mot...