Skip to main content

Questions tagged [gas-giants]

For questions relating to gas giants: large planets composed of gases (usually mostly hydrogen and helium).

Filter by
Sorted by
Tagged with
1 vote
0 answers
69 views

Effects of an Exploding Gas Giant

What if Jupiter exploded all of a sudden, from the center out, a la "Krypton"? Given its apparently rocky core, what would be the effects? I'm thinking of such possibilities as: Impacts ...
ajderxsen's user avatar
  • 121
6 votes
1 answer
128 views

What would be the long-term effects of a gas giant being hit by its moon?

I've been brainstorming ways to make the gas giants in my system more interesting, and as a result of this I thought of having one of them be hit by one of their moons (the reasons why are not ...
Pointy Orb's user avatar
0 votes
1 answer
63 views

How long would solar eclipses last on my moon?

On a moon of a gas giant, there would be a substantial amount of time where the giant blocks sunlight from reaching the moon. How do I determine how long this total eclipse would be? Notes: Orbiting ...
www's user avatar
  • 1,299
3 votes
1 answer
72 views

On a tidally locked moon of a gas giant, would the atmosphere bulge along with the crust?

So I did the math and the crust would bulge 8000 meters due to being tidally locked. On Earth such an elevation would mean the air is extremely thin. I was wondering if the atmosphere would bulge ...
www's user avatar
  • 1,299
6 votes
1 answer
268 views

Non-deadly gas giant moon "weeks"?

There are already a lot of questions on WB:SE about habitable gas giant moons, so I'll try and be specific: I have a gas giant of mass approximately $2\cdot10^{27}\text{ kg}$ and radius approximately ...
controlgroup's user avatar
  • 4,766
0 votes
3 answers
107 views

Is it possible to have a hybrid gas/ice giant realistically? If so, what would it look like?

My solar system involves the inclusion of a sort of in-between gas and ice giant. Could this actually exist, or are gas and ice giants completely independent classification?
Pointy Orb's user avatar
5 votes
3 answers
233 views

Is it possible to have an ocean moon orbit a large ice giant via tidal forces and a greenhouse effect within the moon?

I am trying to make a moon orbiting a large ice giant that has a liquid ocean via this thought process: The moon has high eccentricity (though it is still in spherical shape), so raw tidal forces ...
Pointy Orb's user avatar
4 votes
1 answer
107 views

On a tidally locked moon of a gas giant, how do I determine the giant's position in the sky in a given location?

Based on the visibility of the Earth from the surface of the moon, I created this map. This shows where the gas giant would be visible from the surface of one of its moons. However, it's quite basic; ...
www's user avatar
  • 1,299
2 votes
1 answer
218 views

Would a gas giant have a warming effect on the climate of its moons?

On a tidally locked earthlike moon of a gas giant, would the side that faces towards the gas giant be noticeably warmer than the side that faces away? Would the gas giant generate enough heat to have ...
www's user avatar
  • 1,299
6 votes
6 answers
2k views

Illuminating Minerva?

It would be convenient for both astrophysics and for the plot of the story set in this world if there exists a ninth planet in the Solar System far outside Pluto’s orbit (with appropriate mass, Ap, Pe,...
controlgroup's user avatar
  • 4,766
2 votes
2 answers
134 views

Can you have a moon that rotates 21 times per orbit?

I want to avoid having my earthlike moon of a gas giant be tidally locked. Now I know that 3:2 or even 5:2 resonance is possible, but what about 21:1 for my moon? Is that too many rotations per orbit ...
www's user avatar
  • 1,299
8 votes
2 answers
3k views

Everyone knows not to look at the sun. What about a gas giant?

I have an Earthlike moon orbiting a Saturnlike ringed planet at 1.8 million km. Neither the moon nor the giant are tidally locked. How bright would Saturn appear to be in the sky? Would it hurt your ...
www's user avatar
  • 1,299
4 votes
3 answers
597 views

Is that an elliptical orbit gas giant?

Let's say there was a ship that went into orbit around a gas giant roughly the size of Jupiter. It's going to have a highly elliptical orbit so it's much closer to the sun during summer than in winter ...
Joe Smith's user avatar
  • 3,192
21 votes
1 answer
3k views

Plausibility of a gas giant moon

Is it plausible for a mini-Neptune to form around another gas giant? How big would the main gas giant be to accomodate such a moon?
asteroidbelt's user avatar
4 votes
1 answer
98 views

Feasibly of a Neptune-like planet in the habitable zone

Is it possible for a Neptune-like exoplanet, that is initially positioned beyond the frost zone of its star system, to undergo a migration process that relocates it to the habitable zone? Additionally,...
asteroidbelt's user avatar
5 votes
4 answers
2k views

What powers a shellworld?

There are many futuristic megastructures that get called shellworlds. In this case, I am referring to the concept of a hollow sphere which encloses a gas-giant or other massive planet; suspended at ...
user98816's user avatar
  • 8,605
7 votes
3 answers
1k views

Could a planet realistically share an orbit with Jupiter?

So I've been working on a project where I modify the Solar System, and I originally had a small gas planet(like 5-10 earth massses) named Juno orbiting between Jupiter and Saturn. However, as it turns ...
Nip Dip's user avatar
  • 507
7 votes
2 answers
2k views

Would a Gas Giant be a feasible option for in-atmosphere fighting?

Could it be possible that a large portion (80%+) of a gas giant has thin enough atmosphere that the ships don’t suffer from re-entry effects, but thick enough that conventional dogfighting tactics ...
Blue Skin and Glowing Red Eyes's user avatar
4 votes
2 answers
238 views

How to increase Jupiter’s reflectivity?

The idea of turning Jupiter into a sun to terraform the Galilean moons is a popular one. This concept goes by the alluring name of “stellification,” but has a few important drawbacks when prodded with ...
user98816's user avatar
  • 8,605
4 votes
1 answer
144 views

Gas giant ecologies with more realistic weather. Sky anchors

I've always enjoyed stories that explore ideas about life in the clouds of gas giants. The Algebraist by Banks is my favorite. Though one thing that never quite rang true to me about stories like The ...
futurebird's user avatar
  • 1,029
1 vote
1 answer
228 views

How large should my supermassive planet's core be to prevent it from becoming a star?

My planet is a gas giant, it is called Klarloth (Inspired by a character from "Star Mouse" by Fredric Brown). Klarloth is a strange planet. For one thing, the planet is large in size, more ...
Alastor's user avatar
  • 3,392
1 vote
2 answers
417 views

Calculating distance of the frost- and ice line

To begin, my star is a K type star with 0.65 solar masses. I've inserted my star's mass in two different templates to calculate the frost line, yielding different results (2 AU and 2.68 AU). ...
Explunky's user avatar
  • 388
1 vote
1 answer
375 views

Orbit of an earth-sized moon around a gas giant planet

I'm working on a world that is the habitable moon of a gas giant planet. For simplicity's sake, assume that the moon is about exactly Earth-size, and the gas giant planet is roughly Jupiter-sized, ...
tiluchi's user avatar
  • 121
4 votes
2 answers
251 views

Size of a gas giant with an Earth-sized moon

I am working on a world that is an Earth-sized planet that was captured by a gas giant planet moving inward in the solar system, then becoming a moon. Through magic and hand-waving mechanisms, the ...
tiluchi's user avatar
  • 121
3 votes
3 answers
207 views

Cloud formations on an ocean-covered moon

Vimala is a Luna-mass moon, orbiting a large gas giant in a yellow star system. Though it is two AU from its star, (and therefore outside the habitable zone) tidal heating helps it to support liquid ...
user98816's user avatar
  • 8,605
2 votes
1 answer
98 views

How close could a gas giant be to my planet without it becoming a moon?

This is an M-type system. Let's take Trappist 1 as an example star (0.0898 Mass of the Sun) and Trappist 1e as an example planet (0.772 mass of the earth, approx 0.029 AU from the star). Assume for ...
DMacc1917's user avatar
  • 946
4 votes
1 answer
125 views

Aeroponic farming in a gas giant

In the setting of my projects there is a gas giant (with a mass of about 3 jupiters) that migrated within the habitable zone, as such it's outer atmosphere would feature plenty of water wapor and have ...
JuimyTheHyena's user avatar
1 vote
0 answers
81 views

What would be the size of the outer asteroid belt in this system?

I am following the Artifexia-like system building with the calculator. Per the calculator, my system looks like this: I am having trouble calculating the inner and outer limits of the second asteroid ...
Irithind's user avatar
1 vote
2 answers
268 views

Can Integral Trees be Sailed?

In the book The Integral Trees by Larry Niven, he presents people living in a novel environment. There is a neutron star (quite old and so cooled off mostly) around a more ordinary star. And orbiting ...
Boba Fit's user avatar
  • 4,127
4 votes
3 answers
315 views

Can a rocky planet form between gas giants?

The Question I am working on filling in the planets of the Ilus system. I am setting up a strange, huge, low density, sort of habitable world in the gap between two gas giants. Is there a way for a ...
Sam Kitsune's user avatar
  • 1,994
1 vote
1 answer
216 views

What compounds could be used to dye a gas giant the colour of a rainbow?

So, we have an incredibly advanced clarkean civilisation who, having achieved godlike technology, have taken to transforming whole planets and solar systems into works of art. One of these is Rainbow, ...
user98816's user avatar
  • 8,605
4 votes
1 answer
282 views

Making a moon habitable through tidal heating

Let’s say we have a Star system with a gas giant about 30 AU from the local sun. This is way too far for this particular sun to warm any moons to habitability (unless life inhabits subsurface oceans) ...
user98816's user avatar
  • 8,605
3 votes
2 answers
341 views

If a gas giant became a star, what type would it be?

The concept of gas giant stellification has always interested me. I would however like to know: if a gas giant, (let’s say Neptune) was stellified by increasing its mass to trigger a temporary fusion ...
user98816's user avatar
  • 8,605
4 votes
1 answer
141 views

Is my gas giant possible?

I'm designing a gas giant for my solar system with a mass close to that of Jupiter (around 315 Earth masses). Now I wanted my gas giant to be mostly brown but also with purple colored stripes and ...
ΓΙΑΝΝΗΣ ΜΙΧΑΗΛΙΔΗΣ's user avatar
5 votes
2 answers
314 views

Saturnian Cloud-Cities Pt. 6 :- Geothermal Cables Vs Stupendously Large Airships

In my previous questions, I discussed the possibility of cloud cities on Saturn And there were a few technologies which could be useful for the colony. The cloud-cities in question are giant airships,...
Alastor's user avatar
  • 3,392
8 votes
3 answers
3k views

Terraforming a gas giant by freezing the "gas" and "liquid" and removing it by huge impacts

In my setting, humans want to colonize Jupiter, so as to establish an outpost in the outer Solar System, but cannot due to a barrage of reasons. Jupiter's gravity is really high and would prove to be ...
Alastor's user avatar
  • 3,392
6 votes
1 answer
142 views

Could dark matter be used to change a star's position in the main sequence?

Helioforming is the ignition of gas giants of various sizes, or black dwarves, to create protostellar or even stellar celestial bodies. This can be achieved in two ways: compression or mass increase, ...
JuimyTheHyena's user avatar
8 votes
6 answers
2k views

Thorne Zytkow Planets $-$ Can a Gas Giant have a Neutron Star core?

Said gas giant is about 5 times the mass of Jupiter, hence a Super-Jupiter. This gas giant is rogue and has no parent star. Its composition is the same as regular gas giant, i.e. it is composed of ...
Alastor's user avatar
  • 3,392
6 votes
4 answers
1k views

Should we use Saturn as a future base for colonization?

Despite being a gas giant, and being chilly cold, there are a few reasons I believe Saturn would be an ideal habitat for future colonisation, and here are a few justifications: Saturn actually has a ...
Alastor's user avatar
  • 3,392
3 votes
2 answers
1k views

Could harvesting antimatter from a Gas giant's van Allen Belts be feasible?

Could a sufficiently advanced civilization feasibly harvest antimatter from the van allen belts of a gas giant and use it for fast interplanetary travel. The main idea stemmed from this video, among ...
JuimyTheHyena's user avatar
7 votes
0 answers
82 views

How would the landscape of a gas giant's core-mantle boundary look like? [closed]

In my setting, the characters live at the bottom of a gas giant's metallic hydrogen ocean, just above the rocky core. There the dense metallic hydrogen acts as the ‘air’ and the core as the ‘ground’ ...
Prido1024's user avatar
3 votes
3 answers
260 views

Plausibility check : an habitable exomoon

Is this moon plausible this moon is a little bit smaller than our moon it has thick atmosphere. so much so that floating algae thrive in the wind. the moon is not too close to its planet nor it's ...
faddllz's user avatar
  • 1,832
5 votes
1 answer
673 views

Where can lithium be found in the Solar System?

My question is pretty straightforward, beside earth, what celestial bodies could hold exploitable quantities of lithium-7 and lithium-6? I understand that lithium is a scarce element in our universe. ...
NullAndVoid's user avatar
2 votes
5 answers
406 views

Would Moons of a gas giant appear to phase when looking at them from another, tidally-locked Moon?

I'm designing a fantasy world on a tidally-locked moon of a gas giant. Because it's primarily a medieval fantasy set on the outward-facing side of the home moon, I'd like to keep units of time similar ...
xeg0's user avatar
  • 23
-1 votes
2 answers
84 views

Conditions for tilted gas giants [closed]

I have been working on further refining the solar system that would serve as the setting for my narrative project and in particular I'd like to settle one issue that's been on my mind. I have been ...
JuimyTheHyena's user avatar
0 votes
2 answers
160 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
3 answers
201 views

How to make tides on my world less destructive?

I am currently developing an habitable moon oribiting a gas giant in a resonant orbit, however at the current time I am concerned about the effect of the gas giant on my world when it comes to tidal ...
JuimyTheHyena's user avatar
3 votes
1 answer
261 views

Could a space faring civilization extract valuable resources from a gas giant?

I have been developing an advanced civilization inhabiting a world orbiting a gas giant about 3 times the mass of jupiter, the conditions have already been tuned to allow life to develop over its ...
JuimyTheHyena's user avatar
0 votes
1 answer
98 views

How big would my habitable moon's primary planet appear in the nightsky in these two situations?

How much bigger than earth's moon would my habitable moon's primary appear in the nightsky? And is there a way to calculate how bright it would be in lux when it is illuminated in full? Here is the ...
JuimyTheHyena's user avatar
4 votes
3 answers
259 views

Is this habitable moon formation scenario plausible?

My and my teams' works take place on a moon orbiting as giant about 3 times the mass of jupiter (possessing also a massive moon system) in a solar system with an F-star and be either the first, third ...
JuimyTheHyena's user avatar