Questions tagged [tides]
For questions about the gravitational interaction between astronomical bodies. This tag often describes water currents, but can also be applied to planetary phenomena such as tidal locking and tidal heating.
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How would eclipses change (both solar and lunar) if the moon was half the distance from the Earth?
I'm working on building a fantasy world where the moon is in a lower orbit. I've already worked out the effect on tides; 4x stronger high tides slightly further apart, increased coastal erosion, more ...
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plausibility of this double planet system? [duplicate]
So, I'm about to start a new worldbuilding project for a fantasy world, but I want to try to make the basic world at least somewhat plausible; the magic in the setting is going to be pretty low-key, ...
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Tides in this planet-moon system
So, we have an imaginary super-earth planet twice the mass of earth, but with a density and volume meaning experiences only 1.05 g surface gravity. This planet has a single Luna-mass moon that orbits ...
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Temperature of the sunset/sunrise band of a tidally locked planet [duplicate]
Assuming an Earth-like planet (in terms of size, distance from sun etc) that is tidally locked to its sun, it would seem that the "dayside" would be permenantly burning and the "nightside" permenantly ...
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Only changing the mass of the moon, how much can lunar mass increase before the Earth becomes uninhabitable?
Bonus: How much would the increase in lunar mass increase average tides? & which factors would cause the Earth to become uninhabitable?
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Would the Earth still need a moon if it had rings?
If the Earth had Saturn-like rings going around the equator would there still be a need for a moon? Would the rings be able to take care of the tides because of their gravity? Would the moon become ...
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Two-moon question [duplicate]
I want two moons in my novel's new world, but hope to have minimal changes in tides, etc. Would it be possible to have a very small moon that doesn't wreak havoc on nature? Also, is it possible for ...
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How to accelerate the rotation of an Earth-sized planet? [duplicate]
Colonists want to settle on Proxima Centauri a. The planet is slightly bigger than Earth, lies in the habitable zone, does have water and life (in my novel). But the problem is that only a 500-...
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Planet with 4 major moons, Habitable?
I designed my Kepler Bb planet to have 4 major moons. They each have a differing trajectory and are in resonant orbits for stabilization. I also designed the planet to have earth gravity but be bigger ...
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Tides on a tidally locked planet
Picture the classic Earth-like tidally locked planet, with a frozen dark side, a boiling stormy light side, and a thin strip of habitable land along the terminator. The planet is similar in size and ...
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How might extreme tides affect the evolution of life?
I was hypothesizing about making a planet with a different path of evolution. A planet with dominant species being more akin to amphibians albeit further down the evolutionary chain. Would extreme ...
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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-...
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How to Create Tidal Tsunamis
In my world, I have the problem of dealing with a world that doesn't experience seasons or significant latitudinal variation when it comes to climate (it is essentially all tropical rainforest), and ...
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Would tidal acceleration mean doom for this system?
So we have a Super Earth of ten Earth masses, just on the threshold, and it has three Mars sized moons (so a mass ratio of 100/3, more than Saturn Vs 3 Earths). They go 40,000km, 100,000km, 250,000km ...
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Could galactic tides power FTL travel?
I came across galactic tides while trying to find a new concept for FTL travel for a SF novel. Further research suggests it was just a coincidence, that nobody has ever suggested any possible ...
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Finding the size of tides
I have a planetary system in which there is a huge planet and a moon orbiting it which has an atmosphere and water (and actually everything needed to sustain life).
Thing is that I'm sure the mass of ...
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Two planets with the same orbital period [duplicate]
I have the following star system configuration:
All bodies always stay on one line.
Star is similar to sun by parameters.
"Green" planet is Earth-like exoplanet with 1 earth-year orbital period, ...
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Effect of two moons on wildlife
So given an inconceivably Earth-like planet with two moons in slightly differing orbits, how would the changed tidal system affect the wildlife? Specifically,
What general type of marine wildlife ...
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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 ...
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How big does a moon have to be to have the earth locked to it?
I would like a earth-moon system like Pluto-Charon (but with earth instead of Pluto) where both will be tidally locked to each other within something like 3 billion years (before complex life appears)....
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Winds on a tidally locked moon of a gas giant
My idea has been a colonized planet or moon with incredibly strong winds so that life is only possible in deep valleys protected from the wind. I recognize that wind is primarily driven by ...
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Tides on a planet with 5 moons? [duplicate]
What would be the effects on an earth-like planet with 5 moons, one the size of Earth's moon and the others approximately 1/10th its size?
How massive would the tides be when they align?
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If the moon gradually disappeared over two years [duplicate]
An evil sorceror has cast a spell on the moon. Over the course of two years, it will seemingly disappear.
It will disappear from the surface inwards. Anything touching the surface shall be treated as ...
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World with core of changing mass, gravitational effect on tides?
I'm building a fantasy world with a planetary core that gains and loses mass in a predictable manner. I want the gravity to increase and decrease by 50% in both directions over a period lasting 2-3 ...
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Tides on a Super Close In Moon
I have a moon covered in liquid water that orbits a super-Earth very closely. As you might imagine, the tides are incredibly strong on this moon. However, it is tidally locked and so does not ...
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Amount of force needed to nullify the moon's tidal lock?
What size and/or mass of impactor would need to impact the moon to destroy its tidal lock so that it's orbit is noticeable within its phases? What side effects would this impactor cause, and how would ...
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Effects of multiple moons on tides? [duplicate]
Hello I would like to ask what would be the effect of 0 - 1 - 2 - 3 moons on an earthlike planet? What would change? Consider may be a moon like our own and the other two of progressive smaller size? ...
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Would An Earth-Like Moon Be Tidally Locked? [duplicate]
Could a moon of similar size to the Earth orbiting a gas giant be tidally locked compared to its host planet? What effect would that have on the moon, especially the biosphere?
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How great could tides be on Earth (or an Earth-like planet) if you swapped the Moon? [closed]
Assuming a planet would have Earth's surface gravity and about the same share of it's surface covered by water, how great could you make tides if you could make the moon bigger, smaller, denser, less ...
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Riptides caused by satellite pull
How many moons would be required to induce almost continual tidal pull to create a near constant tidal riptides?
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What can be used to anchor the Moon?
Say the moon is drifting further away from Earth at an astonishing rate of 3.14159km each year due to the crazy tides, the rising sea level and shielding us from stray asteroids. Given 150 years time ...
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