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Q&A

Posts tagged moons

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Q&A Natural ways to acquire gravity and heat for a colony on earth's moon

Is a colony on earth's moon must be deeply underground to ensure more natural gravity (by getting closer to its core) as well as more natural heat? By natural heat I mean "without the need of arti...

2 answers  ·  posted 1y ago by deleted user  ·  edited 1y ago by deleted user

Question moons
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Q&A Earth-sized Moon with Host Planet launched from Star System

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 hos...

4 answers  ·  posted 2y ago by user76027‭  ·  last activity 2y ago by user76027‭

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Q&A Is it possible for a moon to stay on the same side of its planet relative to the sun?

I'm building an earthlike world that has a moon orbiting a gas giant. Is it possible for the moon to always be between the planet and the sun? Also, is it possible for a moon to rotate around its o...

3 answers  ·  posted 3y ago by LonelyCryptid‭  ·  last activity 2y ago by LonelyCryptid‭

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Q&A Is there a plausible way to have a Gas Giant with two or more earth to mars sized moons orbiting it in the Habitable zone?

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. Orbitin...

2 answers  ·  posted 3y ago by Khwarezm‭  ·  last activity 3y ago by Khwarezm‭

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Q&A What might cause a civilization to be unable to colonize a large moon but live in space stations around it instead?

In my world a moon is reached and colonised but only in space stations for a long time. They gain the ability to reach the surface and then story happens. It needs to be something that can be bypas...

25 answers  ·  posted 3y ago by Topcode‭  ·  last activity 3y ago by Topcode‭

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Q&A What types of flora would flourish on a tidally-locked moon?

My world is a satellite of a gas giant. It has an atmosphere and is mostly covered by water (the percentage of water to its surface is somewhere in the high 80s-low 90s). Its rotation period is 28 ...

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

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Q&A World with frequent lunar eclipses?

I am working on a world where an event, like a celebration, occurs during every lunar eclipse. I would like to have lunar eclipses occurring more frequently--maybe even once a month--in order for...

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

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Q&A How would three small moons, rather than one large one, effect an earth-like planet?

Let's say you have a planet about the size of Earth. It has three moons, each roughly the mass of one-third of the Earth's moon. Would this cause tides of different magnitude than those on Earth? A...

1 answer  ·  posted 3y ago by Puck‭  ·  last activity 3y ago by Puck‭

Question reality-check moons
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Q&A If Earth had a smaller second moon, what would the sky look like?

I am creating a fantasy world in which Earth has a second moon with an orbit between Earth and the current moon. The orbit of this new moon is faster because it's closer to earth. I'm not much co...

1 answer  ·  posted 3y ago by RobotPQ30‭  ·  last activity 3y ago by RobotPQ30‭

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Q&A Could ocean and wind currents form on a tidally heated body

The moon is similar to earth but orbits around a gas giant, the sun has ended its life cycle and so the only energy received on the moon comes from tidal interactions heating its core. On earth an...

0 answers  ·  posted 3y ago by Samantha Clark‭  ·  last activity 3y ago by Samantha Clark‭

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Q&A The Earth and Moon resolidify under a bluer star, their outer layers evaporated and burned away. What do they look like now?

(This is the third in a series of questions, starting with Moved into further orbits to protect them, how much damage do Earth and Moon take when the Sun expands? and How soon does the Earth's surf...

1 answer  ·  posted 3y ago by Astrid_Redfern‭  ·  last activity 3y ago by Astrid_Redfern‭

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Q&A Gravity in a lunar base

Imagine a big Moon base situated under a dome. Big means under the dome there is a small city with buildings, streets and ca. 30,000 inhabitants. The best analogue in the movies would be the Ceres ...

3 answers  ·  posted 3y ago by Maxim Zabolotskikh‭  ·  last activity 3y ago by Maxim Zabolotskikh‭

Question moons gravity
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Q&A Is it possible to ice skate on an ice moon/world?

If you found out a way to produce a smooth icy surface on an ice moon like Ganymede, Enceladus, or Callisto, what kind of challenges would someone face if they tried to start ice skating? I figured...

3 answers  ·  posted 4y ago by Sean Kindle‭  ·  last activity 3y ago by Sean Kindle‭

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Q&A Can a moon orbit a planet's southern pole?

I am interested in the idea of a moon orbiting only the southern pole of a planet. Could it theoretically be possible (though unlikely) that a moon would, for instance, orbit a planet parallel to t...

10 answers  ·  posted 3y ago by mrkv12‭  ·  last activity 3y ago by mrkv12‭

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Q&A Moving Enceladus to become Earth's Second Moon and its side-effects

If we moved Enceladus (not Europa) into Earth's orbit (ignoring the plausibility of it), and gave it a breathable atmosphere, what effects would it have on the Earth? How would it affect us?

2 answers  ·  posted 3y ago by Greenie E. - Reinstate Monica‭  ·  last activity 3y ago by Greenie E. - Reinstate Monica‭

Question moons tidal-forces
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Q&A Moved into further orbits to protect them, how much damage do Earth and Moon take when the Sun expands?

Short version A far future catastrophe burns/melts away large chunks of the Earth and Moon. For reasons related to my story's fantasy elements, the remains of the Moon have about one fifth their or...

1 answer  ·  posted 3y ago by Astrid_Redfern‭  ·  last activity 3y ago by Astrid_Redfern‭

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Q&A Is an Earth-to-Moon missile technologically possible?

Given current capabilities, is it possible for a missile launched from the surface of the Earth to impact the surface of the Moon? I would imagine the same "rocket" used send stuff to the ISS coul...

1 answer  ·  posted 3y ago by luchonacho‭  ·  last activity 3y ago by luchonacho‭

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Q&A 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, 250,000...

3 answers  ·  posted 3y ago by Axion‭  ·  last activity 3y ago by Axion‭

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Q&A Base on the Moon for interplanetary travel

In my book which is set in the near future (some hundreds years from today) the mankind has mastered interplanetary travel. Although the travel to let's say Pluto is possible, it still takes severa...

2 answers  ·  posted 3y ago by Maxim Zabolotskikh‭  ·  last activity 3y ago by Maxim Zabolotskikh‭

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Q&A 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 an...

1 answer  ·  posted 3y ago by user6760‭  ·  last activity 3y ago by user6760‭

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Q&A Could some natural process on a moon do enough stationkeeping to sustain an impossible orbit?

I have several stories where I've wanted a moon in some weird orbit that is not allowed by orbital mechanics. In the past, I've had to change stories to bow to physics. Today, I had a thought whil...

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

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Q&A How to get a habitable moon without too long day-night cycle?

It appears that there are gas giants in habitable zones of stars, and likely some of them should have moons that are big enough to have an Earth-like world, so that part should be plausible enough....

3 answers  ·  posted 3y ago by Joku_242‭  ·  last activity 3y ago by Joku_242‭

Question moons gas-giants gas
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Q&A What kind of event, if any, would knock the moon off its orbit, without destroying it?

I am recalling the Space:1999 nuclear waste containment explosion; this has been criticized because such an explosion would have actually destroyed the moon. I am curious for events that could happ...

9 answers  ·  posted 8y ago by guido‭  ·  last activity 3y ago by guido‭

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Q&A What effect will mining on the Moon have long term?

Mining on the Moon, and by that I mean removing mass from the Moon, I believe will affect the equilibrium of the planet and cannot be compared to mining on Earth. When we mine on Earth we don,t rem...

6 answers  ·  posted 5y ago by margot‭  ·  last activity 3y ago by margot‭

Question moons
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Q&A If you melted Europa's ice would there be any land?

First question: if you melted Europa's ice, would there be any land? Second question (assuming the answer to the first question is no), how much water would you have to remove after that in order ...

3 answers  ·  posted 3y ago by levininja‭  ·  last activity 3y ago by levininja‭

Question space moons geology
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Q&A How can I get a total solar eclipse to be a yearly event?

In our world, a solar eclipse is visible from the planet a few times a year, in certain locations. However, a total solar eclipse that can be seen across the planet generally happens every three or...

5 answers  ·  posted 3y ago by Incognito‭  ·  last activity 3y ago by Incognito‭

Question planets moons
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Q&A How can solar eclipse magnify the moons effects?

The moon is made up of a substance called warpstone. This rock is solidified Mana compressed into physical form. Pieces of the moon will sometimes fall to earth, which contain magical properties an...

3 answers  ·  posted 3y ago by Incognito‭  ·  last activity 3y ago by Incognito‭

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Q&A The major effects on the habitability of exomoons orbiting this Brown Dwarf

I'll need to give some background to this question. I'm interested in the idea of a densely inhabited star system, and having large exomoons is one way that they can all orbit roughly at the same p...

2 answers  ·  posted 3y ago by Axion‭  ·  last activity 3y ago by Axion‭

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Q&A General effects (and narrative practicality) of a moon with an extreme elliptic orbit

This is more for fluff and illustrative exotica, but I'm keen on an idea where my new world has a moon that orbits elliptically, but has a fast inward close orbit followed by a longer round trip th...

1 answer  ·  posted 3y ago by Tommy‭  ·  last activity 3y ago by Tommy‭

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Q&A What would weather/geographical conditions be like on a tidally locked moon?

I'm trying to figure out what weather patterns and geographical conditions would exist on a habitable moon that is tidally locked to a much larger planet/gas giant. From my research, I was able to ...

1 answer  ·  posted 6y ago by CyberneticFen‭  ·  last activity 3y ago by CyberneticFen‭

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Q&A How to mine a moon made of half uranium and half radium?

Imagine one day the moon suddenly transformed into a colossal elephant's foot and we need to get to the moon to obtain sample... Could it be done using modern day technology to mine the uranium for...

3 answers  ·  posted 3y ago by user6760‭  ·  last activity 3y ago by user6760‭

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Q&A Is this planet-moon system possible?

The planet is 10 Earth-Radii, with a 1 Earth Gravity value. It is a habitable planet. It has a thin atmosphere. It also has 3 moons and a ring system. The moons are rather large. The largest one i...

4 answers  ·  posted 3y ago by Hunt Castle‭  ·  last activity 3y ago by Hunt Castle‭

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Q&A What would the effects be on a planet whose moon orbits at a speed just faster than a geosynchronous orbit, so there are more months than days?

Would anyone be able to check some math/ let me know if I'm thinking of this the correct way? I had an idea of the moon appearing basically stationary in the sky, but in fact it orbits just faster ...

1 answer  ·  posted 3y ago by StrandsW‭  ·  last activity 3y ago by StrandsW‭

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Q&A If the Moon Titan Orbits Earth

Long ago, I made a post with a scenario on how planet Earth would be affected if our moon were the size of Mars. But I've decided that it be more reasonable if our moon were closer in size to Tita...

1 answer  ·  posted 7y ago by JohnWDailey‭  ·  last activity 3y ago by JohnWDailey‭

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Q&A Living on a moon with an atmosphere, how would the planet interact with the sun in the sky?

I am curious that if there were a gas giant sitting close to a red dwarf with an Earth-like satellite orbiting it: How could we determine the way the planet appears in the sky and the way it i...

1 answer  ·  posted 3y ago by Shawn‭  ·  last activity 3y ago by Shawn‭

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Q&A What could a self-sustaining lunar colony slowly lose that would ultimately prove fatal?

I've got a lunar colony that was set up to be self-sustaining before a collapse of life on Earth. The colony has survived on its own for several thousand years through a period of technological reg...

20 answers  ·  posted 3y ago by aaronius‭  ·  last activity 3y ago by aaronius‭

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Q&A How can an Earth-like moon meet these angular diameter conditions?

NOTE: If there is anything about this question that needs clarification or editing, please don't hesitate to let me know in the comments. Get ready, because you're in for quite a ride. I have t...

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

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Q&A Earthquake modeling on a fictitious extraterrestrial moon

Thanks in advance for any input you can provide! I have a moon called Vieneo http://www.risetvp.com/Vieneo which has some geological modelling of faults and epicenters over some range of time: ...

2 answers  ·  posted 5y ago by Jason Reskin‭  ·  last activity 3y ago by Jason Reskin‭

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Q&A What would be the fate of a second satellite at the mid-point between the Earth and the Moon, with half the mass of the Moon?

If this hypothetical moon were to come to exist between the Earth and Moon, how long would it survive? And could it transition to the moon's orbit, as a subsatellite? To clairify, this scenario is...

2 answers  ·  posted 3y ago by Wax‭  ·  last activity 3y ago by Wax‭

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Q&A Perils of having a moon consisting of valuable material

In the 1960s we were disappointed to find that the moon is a pile of dust and rubble with no easily accessible valuable materials. Well, we kind of knew it before that, but we weren't sure. Anyway,...

5 answers  ·  posted 3y ago by Solar Bear‭  ·  last activity 3y ago by Solar Bear‭

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Q&A How can spacecraft manufactured on the moon be powered?

Background: The moon has been selected as the base for human space exploration. Rather than ship tonnes of material out of earth's gravity well, interplanetary spacecraft and space stations will be...

12 answers  ·  posted 4y ago by System‭  ·  last activity 3y ago by System‭

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Q&A Would cobalt make a moon blue?

Would abnormally high levels of cobalt on a moon cause it to appear blue to those on the planet it orbits?

2 answers  ·  posted 3y ago by Mock 10‭  ·  last activity 3y ago by Mock 10‭

Question moons unusual-color
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Q&A The location of a geostationary moon in the sky?

On a planet with a geostationary moon, how can I determine the position in the sky of the moon depending on the position on the planet surface? For example, Pluto's Charon. The moon wouldn't move ...

2 answers  ·  posted 3y ago by user5318865‭  ·  last activity 3y ago by user5318865‭

Question moons
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Q&A Realistic ways a Planet or Large Moon could have Variable Day/Night periods

Hello I imagine this is a pretty straightforward question, perhaps already covered in another post, but I wanted to get extra perspectives and options for achieving this type of planet or moon. So ...

9 answers  ·  posted 3y ago by Aceharmsway‭  ·  last activity 3y ago by Aceharmsway‭

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Q&A The moon will fall to earth in 100 years, how fast is the asteroid that knocked it down?

We have at most 100 years to abandon earth. The 10-km asteroid which killed the dinosaurs has hit the moon head-on instead. As a result, the moon has slowed down and it's orbit will decay by 400,00...

4 answers  ·  posted 3y ago by Vogon Poet‭  ·  last activity 3y ago by Vogon Poet‭

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Q&A Creating "Sunfall" on the moon of a gas giant

I'm attempting to figure out the orbital physics of a system that has a habitable body that has intense periods of waxing and waning sunlight. I've come to the assumption that the best body for thi...

2 answers  ·  posted 3y ago by Nymn‭  ·  last activity 3y ago by Nymn‭

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Q&A How can I have an Earth-like moon?

My story takes place on the moon of a large gas giant planet. I have been trying to decide on a way for the moon to be as Earth-like as possible, but I have now decided to ask the community for hel...

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

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Q&A Which side of a tidally locked moon experiences higher radiation?

Looking most specifically regarding the moons around Saturn, Jupiter, and Uranus. I've been unable to get a concrete answer on this through various sources. I've actually read several articles brie...

1 answer  ·  posted 4y ago by Kabob Maraca‭  ·  last activity 3y ago by Kabob Maraca‭

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Q&A Would gas giants work as waste disposal sites?

In my novel, the many moons of Jupiter and Saturn have been colonized, but I'm running into some logistical problems - namely, waste disposal. My first instinct was to dump it on-moon; while this ...

12 answers  ·  posted 4y ago by Kabob Maraca‭  ·  last activity 3y ago by Kabob Maraca‭

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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 4y ago by Sian Wheeler‭  ·  last activity 3y ago by Sian Wheeler‭

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