Questions tagged [planetary-rings]

For questions about rings and their effects on the world and its people.

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The Tropic of Ice: how cold might it get in a long-lasting planetary ring shadow?

I am working on my second novel set on a ringed Earth-like planet. Compared to Earth it has a slow orbit (19 Terran years) and a low axial tilt resulting in minimal seasonal variance. The low axial ...
Sax Brightwell's user avatar
4 votes
1 answer
154 views

How would you build RingWorld? [closed]

Larry Niven's RingWorld is supposed to do a complete revolution around its central star in a matter of days: about 9 days, assuming a ring of Earth size orbit, providing a 9.81m/s² "gravity" ...
xenoid's user avatar
  • 209
7 votes
1 answer
945 views

Could humanoid life survive the violent formation of a planetary ring system?

The deepest mythological archetypes in my Earth-like world hint at a wondrous and terrible disaster in the ancient past. ~10 tya a celestial body (perhaps a small, second moon, or a wandering asteroid,...
Fictotum's user avatar
  • 319
2 votes
1 answer
117 views

Tides on an Inhabitable planet with rings

I've occasionally pondered the notion of an inhabited planet similar to Earth in terms of size, gravity, atmosphere etc., but with rings circling around it an a similar manner to Saturn. One question- ...
king of panes's user avatar
1 vote
0 answers
77 views

What would be the weather inside the rings' shadow of a planet with 0 tilt axis? [closed]

The premise · super Earth (the super giant part can be nixed if impossible) · rings system made of silicate, size is still to be determined (but the wider, the better) · non tilted axis · there are ...
Delkhii's user avatar
  • 11
3 votes
1 answer
228 views

How stable would partial planetary rings be on Lagrange points?

Context There's a comparison to what I'm talking about on a larger scale: Jupiter's got its Trojans and Greeks, and Earth does have them too. Those are more or less loose and sparse groups of ...
Yulian's user avatar
  • 442
1 vote
1 answer
151 views

Could a terrestrial planet have a stable orbit of rings? [duplicate]

Planet Phileas, similar in size to Earth. Fourth star in a binary star system with a p-type orbit. Changes may be necessary and I'm open to constructive criticism. This question includes two parts. ...
raevynn's user avatar
  • 335
6 votes
2 answers
838 views

Can a habitable planet have rings? [duplicate]

So, quite simply, is it possible for a planet in the habitable zone of its sun to possess rings like a gas giant? Naturally they would not be made of ice, but if this planet had a small moon which ...
user98816's user avatar
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3 votes
1 answer
119 views

Debris from a ringed planet, and believability

I am writing a fantasy book, so while I am not too concerned with being completely scientifically accurate, I would at least like for aspects of my world to feel believable, so as to not take the ...
xdxt's user avatar
  • 31
1 vote
1 answer
128 views

could an equator-round elevator be possible for passing through rings of a planet to reach the moons?

I am developing a terrestrial, habitable planet with rings about the width of Uranus' rings. Not extremely thick, but still noticeable. I have heard that rings on planets would cause an inhabitable ...
raevynn's user avatar
  • 335
2 votes
1 answer
159 views

What are the Celestial observations and mythology on a ringed planet? [closed]

I'm building a ringed world with it's rings composed of low albedo material to try and dampen the impact the rings have during night time (that is, trying so not every single night that the rings are ...
El Nitromante's user avatar
3 votes
3 answers
254 views

How should planetary rings be to cause permanent and heavy thunderstorms on the full equatorial area of the planet?

The world in question is an Earth-like planet, with, for plot reasons, a permanently ongoing thunderstorm all over its equatorial line, in such way that's impossible to come across before a 1920-50-...
VortexSensei's user avatar
2 votes
0 answers
137 views

What would an Earth-like planet with a mostly stable ring be like? [closed]

I recently watched a video talking about what would happen if our moon was on a collision course with the Earth and they described it being ripped apart by Earth's gravity. This made me want to re-...
Arvex's user avatar
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7 votes
2 answers
236 views

Verifying Habitability/ Feasibility of my Conworld

Right, lets try this again. I'm making a planet for a book I'm writing. I want to know if the planet I outline here is scientifically probable, able to support life, and what the climate would ...
Arthur Lawrence 's user avatar
0 votes
2 answers
153 views

Would my gas giant have rings?

The gas giant in question is about 3 times the mass of jupiter with a density of 3.58 grams per cubic centimeter. It formed naturally beyond the system's forstline and then migrated into the habitable ...
JuimyTheHyena's user avatar
1 vote
2 answers
151 views

How advanced would a civilisation need to be to notice one of their system's planets is tidally locked?

Picture a tidally locked planet that is also the closest planet to the star (~0,17 AU from a star with a luminosity of ~1,5 times that of the Sun). The side of the planet that faces the star would ...
El Nitromante's user avatar
8 votes
3 answers
335 views

Habitability of a Low Axial Tilt Planet with a Planetary Ring

So, I'm creating a world for a science fantasy setting. It has magic and such, but since it's mainly taboo to use it, I want the world's climate to be based on hard scientific facts. My world has an ...
Arthur Lawrence 's user avatar
6 votes
2 answers
360 views

Age of sail navigation tools for a planet with a ring

Alright so I have a planet where the locals are about seventeenth century level of technology, meaning sailing ships and single shot black powder weapons are the standard and there is plenty of ocean ...
Jacob Badger's user avatar
  • 2,343
7 votes
3 answers
559 views

What's the minimum possible size for a planet to have rings?

How small can a planet with rings be? It doesn't have to be inhabitable, but it must be a planet (not a dwarf planet).
The_CIA's user avatar
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1 vote
2 answers
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How Bright Would Super Saturn's Rings Be in Our Sky?

It's not that long ago that we have found the "exoplanet" J1407b, notable for having a ring system 200 times the size of Saturn's. I airquote that term because, at a mass ten to forty times ...
JohnWDailey's user avatar
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8 votes
1 answer
237 views

How long would it take for a earth-based ring to break up given solar and lunar gravitational forces?

In my world-building project, a decades long orbital conflict has resulted in the trashing of Earth's orbit with massive amounts of debris, shipwrecks, and space junk. However, after an anomalous ...
WorldCraftTrainee's user avatar
4 votes
2 answers
317 views

Are Saturn's rings a safe place for adolescent space-hoppers?

Are Saturn's rings a safe place for adolescent space-hoppers? As you know, space-hopper toys are based on the real-life creature. These are roughly balloon shaped and have two "horns". The ...
chasly - supports Monica's user avatar
5 votes
2 answers
269 views

Could this uniquely shaped planet exist?

Now, I know that planets can’t be disc-shaped. However, if a relatively small planet had a very strong magnetical pull, could it have a ring system that could make the planet from afar seem disc-...
Anonymous's user avatar
2 votes
1 answer
105 views

How changing planetary ring affects the migration of terrestrial fauna?

Imagine a gas giant as massive as Jupiter has a enormous planetary ring which will expand and contract throughout its orbit around a main sequence star. Then there is a moon as massive as Mars and ...
user6760's user avatar
  • 47.8k
0 votes
2 answers
235 views

How to make a planet with a chunk missing from it? [closed]

In the forgotten mists of time a Great War was fought. During that war the planet Kutok had a massive gouge (averaging 1,000 miles across and 4,000ft deep) and extending North from the polar cap down ...
30Keydet's user avatar
11 votes
6 answers
3k views

What is a good reason not to mine a planetary ring?

Most planetary rings are rich in water in the form of ice, especially now we are running low on freshwater reserves on Earth. Imagine someone discovered a huge chunk of meteorite consisting of a ...
user6760's user avatar
  • 47.8k
4 votes
1 answer
254 views

Are elliptical rings feasible?

Around a rocky planet or small gas giant, could there be a system of rings that follow an elliptical orbit? I have used a gravity simulator (this one) to test it, but the way it handles its particles ...
Greenie E.'s user avatar
  • 2,536
2 votes
2 answers
197 views

Can adding mass to a ringed planet cause a huge chain reaction?

I've been wondering about this for a while. Here is the research I've done so far that lead me to ask this question: A planetary ring system is most often formed by the breakup of objects within the ...
overlord's user avatar
  • 6,262
3 votes
1 answer
85 views

Forming a dust ring around asteroid Ceres

Is it possible, due to asteroid mining activities, for a space-fairing civilization to produce a dust ring around a very large asteroid (Ceres)? In my world, there is a lot of ore processing being ...
Innovine's user avatar
  • 6,086
7 votes
3 answers
463 views

Implications of cigar-shaped bodies having rings?

In my Conworld's system, There is a porous asteroid large enough to be a dwarf planet (but it's mass is too small to pull it into a spherical shape) that has rings. How they got there, nobody knows. ...
Greenie E.'s user avatar
  • 2,536
13 votes
1 answer
1k views

How to explain planetary rings pulsating?

A spacecraft enters an unnamed system and spotted a gas giant with a pulsating planetary ring, it glows bright intermittently. What natural phenomenon could be responsible for such brilliant display? ...
user6760's user avatar
  • 47.8k
8 votes
1 answer
192 views

Could a Moon have its own "Rings", like Saturn's, without the Host Planet having them? [duplicate]

I'm currently fleshing out a sci-fi universe and always looking for fun new locales to populate it with, and I saw this phenomenon in a video game I've been playing recently, and it made me curious... ...
BonnetBee's user avatar
  • 913
4 votes
2 answers
701 views

How stable would a ring be around a tidally locked planet?

So I am working on my species which I requested help with a few days ago. They are large salamander like creatures that need large bodies of water to survive and the planet they live on has about 80-...
SentiCarter's user avatar
  • 1,596
8 votes
4 answers
3k views

Rings made out of water? [duplicate]

There have been numerous questions on this site about moons being composed entirely of water. However, is it possible for a planet to have rings made out of water? I think that the ring would ...
adrian's user avatar
  • 1,200
4 votes
2 answers
246 views

Compass on a Ringed, Earth-like Planet

Is it necessarily a given that a compass (as they magnetically function on Earth) could be made to function similarly on an alternate, Earth-like, ringed planet? Another way of asking: is it feasible ...
Luminocity's user avatar
9 votes
3 answers
519 views

How to navigate a ringed planet at night?

I'm working on a story set in an Earth-like world but with rings (say, proportionately similar to Saturn's). I'm trying to get a solid handle on how these rings would affect the sky. For the ...
Luminocity's user avatar
3 votes
2 answers
269 views

Can a planet with chaotic rotation have more than one ring rotating in differents axis? [duplicate]

Let's say that planet earth have a big explosion . An explosion generated in earth big enough to change the planet shape. Making earth having a chaotic rotation like Hyperion leaving water and rocks ...
Ricardo's user avatar
  • 131
2 votes
1 answer
158 views

weather after the earth gets flooded

tl;dr : the earth has been gradually flooded, over the course of a few hundred years. Also, there are now large lumps or ice raining out of the sky (not very often), causing massive tsunamis. I have ...
Mark Gardner's user avatar
  • 2,884
9 votes
3 answers
728 views

Ringed Planet: The shadow's effect on fauna

I am writing a fantasy novel centered on an Earth-like planet with icy rings like Saturn. This question deals with certain effects of having such a ring system. Assume the planet is Earth, the rings ...
Thomas Reinstate Monica Myron's user avatar
0 votes
1 answer
184 views

Consequences of dark planetary rings?

I am aware of the possible consequences having a planetary ring may cause on a planet, but since I want my nights to be dark and not giant-reflective-curve-in-the-sky bright I've decided to make the ...
El Nitromante's user avatar
3 votes
1 answer
194 views

Consequences of a two-mooned system losing the one closest to the planet?

I was thinking of adding rings to my planet and I wanted to give them a proper origin, so I thought about getting rid of the moon closest to the planet since I would still have one and it could make ...
El Nitromante's user avatar
6 votes
4 answers
1k views

Is a ring planet possible?

No planet in the center, just a large O shape made up of large chunks of rock that in and of itself itself orbits a sun, as if it were a planet (as distinct from a ringworld). I know most of the time, ...
Blake Steel's user avatar
2 votes
1 answer
195 views

What happens if a small moon is held within a planet's Roche Limit?

For story reasons, I need my mages to convert a moon on a collision course with their planet into a ring around the planet. The only thing they can do is hold the moon still. They can't do so ...
Thomas Reinstate Monica Myron's user avatar
1 vote
1 answer
271 views

What are the minimum dimensions for planetary rings to be as visible as the moon in our night sky?

What are the minimum dimensions (length, width, height, etc.) for rings to at least be as significant (as in brightness/visibility) in the night sky as our moon? Since there are so many variables ...
Thalassan's user avatar
  • 2,900
3 votes
0 answers
149 views

Ringed planet: Reality check on ring-shadow visuals [duplicate]

This is one of a collection of questions about a ringed planet I am considering using as the setting for a fantasy novel. I would like the ringed planet to be as scientifically accurate as possible, ...
Thomas Reinstate Monica Myron's user avatar
11 votes
4 answers
1k views

How can I tell what my ringed planet will look like from the surface?

I'm considering writing a fantasy novel which takes place on a world with a ring. This ring is a very important part of the story, and I therefore want to be as accurate as possible in describing what ...
Thomas Reinstate Monica Myron's user avatar
2 votes
2 answers
224 views

Reality Check - Collision of a Moon prevented by turning it into a ring

In my current fantasy story, I have an earth-like planet with one large difference: it has a planetary ring. I would like this ring to be large and visible. I've been using Saturn's rings as a ...
Thomas Reinstate Monica Myron's user avatar
8 votes
1 answer
294 views

Effects of Rings - Debris?

I've been thinking about writing a fantasy novel set on an earth-like world with Saturn-like rings. I've been doing some research here by looking up questions about worlds with rings, of which there ...
Thomas Reinstate Monica Myron's user avatar
2 votes
3 answers
328 views

A world with two moons and a ring [closed]

Okay, first of all, the world I'm building is primarily fantasy-based, which means there is magic around; but for all intents and purposes its only use will be to solve problems faced by the creatures ...
Enriant's user avatar
  • 23
11 votes
4 answers
386 views

Could a gas giant's moon have stable rings?

The planet orbits a supermassive gas giant, almost double the size of Jupiter. But the planet orbiting it is also supposed to have rather large rings in my story. Question: Is it possible for a moon ...
Axolotl's user avatar
  • 1,032