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Rigorous Science

Posts tagged planets

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Q&A Could this method of moving planets work?

In my last question about methods of deflecting a rogue planet, there was a fascinating answer from Willk. Willk basically suggested that if you knew the location, mass and velocity of objects in ...

6 answers  ·  posted 4y ago by Wiggo the Wookie‭  ·  last activity 4y ago by Wiggo the Wookie‭

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Q&A Could a binary planet system have a shared magnetic field?

I want to have a two-world binary planet system where both have intelligent life, orbiting a single star. The two planets are assumed to be tidally locked to each other and orbit each other every 3...

1 answer  ·  posted 4y ago by user8840452‭  ·  last activity 4y ago by user8840452‭

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Q&A What would an ammonia-based world look like?

Apart from the obvious difference that liquid ammonia needs a much colder temperature than liquid water (but ammonia-based life forms wouldn't feel that as particularly cold), what would be the mos...

7 answers  ·  posted 9y ago by celtschk‭  ·  last activity 4y ago by celtschk‭

Question planets geography
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Q&A How Would Civilisations on Different Planes of a Cube Planet Interact?

If there was a life-supporting planet that was cubical rather than spherical, would it be feasible for there to be a unique but similar civilisation on each 'Plane'? I know that cube planets are i...

12 answers  ·  posted 4y ago by Archtea‭  ·  last activity 4y ago by Archtea‭

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Q&A Could we move a gas giant by venting its gas?

Could humanity move a planet such as Jupiter by forcing it to vent its gas? Assuming we have the technology to do huge mining operations and use these to make some of Jupiter's moons into a huge t...

2 answers  ·  posted 4y ago by meaninglessname‭  ·  last activity 4y ago by meaninglessname‭

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Q&A Time in relation to life in the Jovian System

I'd just like to preface this with the fact that I'm super new and I apologise if this has been discussed in some way previously (I have looked at similar topics but they haven't quite given me the...

2 answers  ·  posted 5y ago by Sian Wheeler‭  ·  last activity 4y ago by Sian Wheeler‭

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Q&A If humans evolved on Mars instead of Earth, how quickly would we have detected life on Earth?

Suppose that both Earth and Mars was booming with life in a similar way. Except that, on Earth, there was no hominid family, and no humans evolved. Instead, humans evolved on Mars. Assuming we ha...

2 answers  ·  posted 4y ago by Bridgeburners‭  ·  last activity 4y ago by Bridgeburners‭

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Q&A Grass on planets with very huge forests

This is a reality check: I want a planet with huge forests and a relatively (to Earth) high level of CO2, but I also want there to be very large areas of grassland, (savannahs) where we naturally e...

7 answers  ·  posted 7y ago by Yondij4564‭  ·  last activity 4y ago by Yondij4564‭

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Q&A How would iron smelting work in a planet with no oxygen?

Imagine a small planet, rich with iron, but with a negligible atmosphere, mostly devoid of oxygen. Once harvested, how could iron ore be smelted and refined into iron? And would the ore itself be d...

3 answers  ·  posted 4y ago by Oedipus Rex‭  ·  last activity 4y ago by Oedipus Rex‭

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Q&A How might people try to stop the world becoming a rogue planet?

I'm working on a story about Earth or an Earth like planet with current or very near future levels of civilisation and technology drifting or speeding out of the solar system. Currently my method f...

5 answers  ·  posted 4y ago by Wiggo the Wookie‭  ·  last activity 4y ago by Wiggo the Wookie‭

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Q&A What would be the mathematical formula to figure out a person's weight on a world bigger or smaller than Earth?

Okay, trying to figure out this math guys! This may be simple math to some of you, but not me!!! I googled various ways of asking this question and got some good results, but I'm looking for a sim...

2 answers  ·  posted 5y ago by J.J. Hartly‭  ·  last activity 4y ago by J.J. Hartly‭

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Q&A Adaptations for an ice planet?

My planet is a frozen world. Roughly the size of earth and in a perpetual ice age. The planet has very cold temperatures at night and during the day its surface becomes very bright. The intense sol...

2 answers  ·  posted 4y ago by System‭  ·  last activity 4y ago by System‭

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Q&A Would complex life evolve on this planet, and could humans survive on it without much outside help?

Okay, as an extension of my previous question, I'm just going to lay bare all the details I've written down about this planet (including corrections from my last question), and ask the big question...

5 answers  ·  posted 8y ago by Z.Schroeder‭  ·  last activity 4y ago by Z.Schroeder‭

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Q&A What does and doesn't work with this planetary system around a red dwarf?

So I have the following scenario for a story, and I want to know if it runs into any ridiculous no-nos from a scientific point of view: There is an earth-like world orbiting a red dwarf (similar t...

1 answer  ·  posted 4y ago by LeftLiner‭  ·  last activity 4y ago by LeftLiner‭

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Rigorous Science How to calculate the average temperature of the hemispheres of a planet tidally locked to its star?

I have a planet orbiting a red dwarf and, as expected, it is tidally locked to its star. I know that these planets will have a very significant temperature difference between the diurnal and noctur...

1 answer  ·  posted 4y ago by URIZEN‭  ·  last activity 4y ago by URIZEN‭

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Q&A What plausible reasons why people forget they didn't originally live on this new planet?

It's a major step forward for humanity when they can finally live on a new planet. Maybe they went there out of desperation to survive, or maybe they simply want to explore. Either way, they sudden...

16 answers  ·  posted 4y ago by brendt‭  ·  last activity 4y ago by brendt‭

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Q&A What would be a good reason for space colonists to lose their technology?

In my universe, humans nuked themselves in a war so thoroughly that the Earth has been rendered uninhabitable. As a result, they have to leave Earth and find a new home. They briefly tried to settl...

10 answers  ·  posted 4y ago by The Weasel Sagas‭  ·  last activity 4y ago by The Weasel Sagas‭

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Q&A What Effect Does Moving the Magnetic Poles of a Planet Have?

On Earth the planet's magnetic poles line up fairly well with the geographic poles. This makes things like navigation very straightforward as all compasses point to (roughly) the north pole. How...

2 answers  ·  posted 9y ago by Liath‭  ·  last activity 4y ago by Liath‭

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Q&A How to dry an ocean planet and turn it into a salty desert?

I have a planet covered with a large shallow ocean, which extends over most of its surface. I want to turn this planet into a great desert, specifically a salty desert (the salts of this desert are...

6 answers  ·  posted 4y ago by URIZEN‭  ·  last activity 4y ago by URIZEN‭

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Q&A Could a solar system exist inside of a nebula which is made of breathable gases?

Far, far away from the Earth, there is a nebula. An enormous cloud made of 78% nitrogen, 20% oxygen and 2% other non-lethal materials. These gases swirl around a star, and the pressure around it is...

3 answers  ·  posted 4y ago by Miguel NoTeimporta‭  ·  last activity 4y ago by Miguel NoTeimporta‭

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Q&A Can a gas giant have its own habitable zone?

Gas giants can generate heat via the Kelvin-Helmholtz mechanism. It's oft-repeated that Jupiter actually generates more heat internally via this method than it receives from the Sun. Scale this mec...

4 answers  ·  posted 9y ago by Leushenko‭  ·  last activity 4y ago by Leushenko‭

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Q&A How Likely is a Planet Made Almost Entirely of Metals?

For this question, the word 'metals' does not refer to elements heavier than hydrogen and helium. It instead refers to metals as defined by the periodic table of elements. After researching the ab...

3 answers  ·  posted 4y ago by overlord - Reinstate Monica‭  ·  last activity 4y ago by overlord - Reinstate Monica‭

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Rigorous Science Can a Planet's Electromagnetic Field Be Strong Enough for Wireless Electricity (Induction)?

Wikipedia states: "Electromagnetic or magnetic induction is the production of an electromotive force (i.e., voltage) across an electrical conductor in a changing magnetic field." This one ...

1 answer  ·  posted 4y ago by overlord - Reinstate Monica‭  ·  last activity 4y ago by overlord - Reinstate Monica‭

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Q&A Cool way to see through fog and darkness

My planet is frequently set with thick fog. What is the best way to have its residents see accurately? One species called Hell Fires fall from the sky, landing on top of prey and killing it. How...

4 answers  ·  posted 4y ago by WindWelder‭  ·  last activity 4y ago by WindWelder‭

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Q&A Living Planet Possible?

Although a question about how large a living thing could be has been asked and answered, would a being such as Mogo from DC's Green Lantern series be possible? Mogo is the size of Earth roughly ...

6 answers  ·  posted 9y ago by The Glis Jackel‭  ·  last activity 4y ago by The Glis Jackel‭

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Q&A Can a Jupiter-Like Gas Giant Have Deep, Dark Storms?

For this question, I was inspired by the following image of the "Jupiter Abyss": What I want to know is, can a Jupiter-like gas giant have thousands of giant black storms, kind of like what I've...

4 answers  ·  posted 4y ago by overlord - Reinstate Monica‭  ·  last activity 4y ago by overlord - Reinstate Monica‭

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Q&A Thunderstorms but with Fire!

The planet is huge roughly four times the size of earth, with lots of hydrogen in its atmosphere (group A water in Hydrogen out, B water out.) it is also very humid. what do I do to have giant Stor...

2 answers  ·  posted 4y ago by WindWelder‭  ·  last activity 4y ago by WindWelder‭

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Rigorous Science Could a new planets plane be at a different degree as the other planets in our solar system?

I read this and wonder now, what if we would introduce a new planet to our solar system; would the force of gravitation demand a similar plane as that of the other planets? Mercuries 6.3° indica...

4 answers  ·  posted 4y ago by Backup Plan‭  ·  last activity 4y ago by Backup Plan‭

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Q&A How big would the ice ball have to be to deliver all the water at once?

One popular theory to explain how Earth got its water is that it was delivered by asteroid/comet/etc. The form this theory usually takes is that many small impacts occured over a long time, each d...

4 answers  ·  posted 4y ago by Dalila‭  ·  last activity 4y ago by Dalila‭

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Q&A Making a planet with high humidity

I'm making a Region of a planet with very high humidity, mostly covered in fog at ground level. I am open to having seasonal changes and would like there to be a few sunny days lets say 1 out of 15...

1 answer  ·  posted 4y ago by WindWelder‭  ·  last activity 4y ago by WindWelder‭

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Q&A Is an earthlike planet with ammonia oceans even plausible?

The idea of a planet where ammonia replaces water as the dominant liquid in the environment is quite popular in science fiction. I tried to develop a scenario where these kind of oceans are plausib...

2 answers  ·  posted 4y ago by TheDyingOfLight‭  ·  last activity 4y ago by TheDyingOfLight‭

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Q&A Would it be possible for an Earth-like planet to have multiple moons with diverse biomes capable of supporting life?

Thanks for taking a moment to help me understand the feasibility of this scenario. Essentially, what I am looking at is an Earth-like world that would be between 1.3x and 1.6x the mass of our own ...

4 answers  ·  posted 7y ago by Varwulf‭  ·  last activity 4y ago by Varwulf‭

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Q&A Which place in our solar system is the most fit for terraforming?

Far in the future technology has evolved to the point that humanity is able to try and terraform something in our solar system. The moon is out, since it's too close to earth and therefore to risk...

5 answers  ·  posted 4y ago by Backup Plan‭  ·  last activity 4y ago by Backup Plan‭

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Q&A How could a planet have one hemisphere way warmer than the other without the planet being tidally locked?

I would like a planet that's a tropical paradise on one side but covered in ice and glaciers on the opposite side, whether it be the Southern-Northern or the Western-Eastern hemisphere. I know it...

17 answers  ·  posted 4y ago by 1995inHUN‭  ·  last activity 4y ago by 1995inHUN‭

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Q&A Can planetary bodies have a second axis of rotation?

Is it possible for a planetary body to have a secondary axis of rotation? For example let's say there's an Earth-like body that is spinning with its North Pole facing the Sun. Imagine that the Nort...

3 answers  ·  posted 4y ago by overlord - Reinstate Monica‭  ·  last activity 4y ago by overlord - Reinstate Monica‭

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Q&A A desert planet with temperate polar regions could sustain how much plant-life? Any?

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. You can see an example o...

1 answer  ·  posted 4y ago by cowlinator‭  ·  last activity 4y ago by cowlinator‭

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Q&A Tidally Locked Planet, Weather

If the polar cap of a tidally locked planet was all ocean, what weather patterns would emerge? The ocean couldn't be half frozen/half boiling, right? I need a weather pattern so the planet isn't ju...

1 answer  ·  posted 4y ago by Csraves ‭  ·  last activity 4y ago by Csraves ‭

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Q&A Would an exoplanet highly rich in Iron (and other metallic properties) have any effects on technology?

Im working on a story about a new exoplanet discovery and its subsequent "Near Future" colonization. The planet is close to its parent star. As such, I have decided to give it a sizeable molten ir...

3 answers  ·  posted 4y ago by ZachJohnBruce‭  ·  last activity 4y ago by ZachJohnBruce‭

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Q&A Gravitational and Electric Forces in the Movements of Planets

Now that we know about the electric nature of the cosmos, the question arises: "How much are planets affected by electric forces while moving through the universe?" We have been taught that the mov...

1 answer  ·  posted 4y ago by Marino Klisovich‭  ·  last activity 4y ago by Marino Klisovich‭

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Q&A Human colonies beyond Pluto (on a potential ninth planet)

To be able to colonize another world, there are some requirements; the harvesting of energy, enough recourses, handling of the environment (pressure, temperature and gravity and so on) and availabi...

4 answers  ·  posted 4y ago by Tim Hansen‭  ·  last activity 4y ago by Tim Hansen‭

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Q&A If we were to assume the shape of planet Popstar from Kirby is kept that way artificially, how would the shape affect its day/night cycle?

Making a semi-realistic Kirby Alternate Universe (AU) here. Popstar's shape is a result of a member of this powerful race using secret magics to alter reality in this AU. What would its day/night ...

1 answer  ·  posted 4y ago by Chickenpeep Chickenpeep‭  ·  last activity 4y ago by Chickenpeep Chickenpeep‭

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Q&A Can a planets magnetic field be strong enough to make floating continents?

I have a planet similar to Venus(similar size and atmosphere) that has floating continents in the atmosphere due to strong magnetic fields. If it is possible, what would the continents need to be m...

3 answers  ·  posted 4y ago by Chickenpeep Chickenpeep‭  ·  last activity 4y ago by Chickenpeep Chickenpeep‭

Question planets magnetism
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Q&A Is it realistic to have a livable planet with a quarter the size of Earth, but with the same gravity?

So in theory, I would want this planet to have the same everything as earth besides the radius (and anything that affects how radius plays into gravity). I know the density of this Planet X would h...

4 answers  ·  posted 4y ago by System‭  ·  last activity 4y ago by System‭

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Q&A How could a planet have traveling geographic poles?

I want to build a world that has its geographic poles travel like the Earth magnetic poles do. What is a plausible way to do this? (besides giving it two suns that is)

2 answers  ·  posted 4y ago by Victor S‭  ·  last activity 4y ago by Victor S‭

Question planets
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Q&A Why would one hemisphere of a planet be very mountainous while the other is flat?

Background I just read this question about how to get a planet to have one hemisphere with tropical climate and one with polar climate. The (not yet accepted) answer with the highest score recomm...

4 answers  ·  posted 4y ago by nonthevisor‭  ·  last activity 4y ago by nonthevisor‭

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Q&A Changing air composition on another planet

Hypothetically speaking, if we would find another planet, the size of Earth, with atmosphere as dense as Earth's atmosphere is, and we would insert (in some hypothetical way) nitrogen, oxygen and C...

1 answer  ·  posted 4y ago by Inb‭  ·  last activity 4y ago by Inb‭

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Q&A Can there be a unique planet visible each different month?

In my world, ten is an important number that shows up frequently. In the solar system my world belongs to, there are ten other planets beside it, and there are ten months in a year. I know next t...

6 answers  ·  posted 4y ago by NadiraSpzirglas‭  ·  last activity 4y ago by NadiraSpzirglas‭

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Q&A How would our skies look if our sun was a white dwarf instead?

What I'm using your information for: 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 dwarf is that I read somewher...

2 answers  ·  posted 5y ago by Anton Berkhoff‭  ·  last activity 4y ago by Anton Berkhoff‭

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Q&A Can a planet mostly covered with water exist in a perpetual sunset?

I have read many posts about planets in perpetual sunset or twilight. Tidal locking, perpetual sunset at the poles of a planet with zero axis tilt, and so on. Great information by the way. This que...

2 answers  ·  posted 4y ago by nagriamel‭  ·  last activity 4y ago by nagriamel‭

Question planets
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Q&A Can there be plants on the dark side of a tidally locked world?

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 hea...

9 answers  ·  posted 4y ago by Johnara‭  ·  last activity 4y ago by Johnara‭