Questions tagged [solar-system]
For questions regarding a star and the area comprising its gravitational dominance. While they are not part of its technical definition, it colloquially refers to the planets, moons, asteroids and other bodies orbiting the star.
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Could this hypothetical Super-Earth support human life?
The Question Could this hypothetical Super-Earth (Planet Y) support the lives of human settlers arriving from off world, or have I created any reasons for the planet to be inhospitable?
Planet Y
Star: ...
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Plausibility of life emerging and evolving on gas giant moons?
I have been working on the setting for a hard speculative biology/evolution project that for now will simply be referred to as the Gemini Project, and the main issue I've been having is whether or not ...
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Could a captured planet end up in the habitable zone of a new star system?
Is it possible for a planet to be ejected from one star system and end up in the habitable zone of another? Or do captured planets always end up in wide, eccentric orbits?
I guess in the vast expanse ...
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How do I make an Earth-like habitable planet tidally locked to a red supergiant (class L or M)?
Assuming tidally locked planets have the potential to be inhabitable: Is there any way for a planet of Earth-like size to become tidally locked to a red supergiant of class L or M?
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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).
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How could an Earthlike planet have two moons, one similar to the Earth's moon and the other primarily composed of carbon? [closed]
I am building an Earthlike planet that possesses two moons, one similar to the Earth's in terms of chemical composition and one primarily composed of carbon. How could these two moons form? Which moon ...
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How would a civilization of techno-barbarians maintain their space ships?
Recently I've gotten interested in the planetary romance genre and the idea of a sword, sorcery and spaceships genre.
So here's the dynamic is basically something like this.
There is a star system ...
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What star would cause a planet to have white plants?
Okay, I'm trying to make a planet that has at least part of its surface, or at least part of its underground, habitable for humans (breathable atmosphere at a suitable pressure, a suitable level of ...
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What would happen if a Europa-like moon "thawed"? [closed]
I have a planet and moon system orbiting a high mass star, something like a type A main sequence. Everything is only a short two billion years old, but the star is already starting to expand, warming ...
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Is a p-type binary system with two suns and two moons possible? [closed]
I want to have a fantasy setting with two suns and two moons. Ideally, the stars would be 5 million km apart, orbit each other every 10 days, and pass in front of each other every 5 days, creating an ...
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How far in between a K-Type Star and a Planet would there need to be in order for there to be a very rare eclipse inside a S-Type Binary System?
Here I have posted a diagram I have made for my planet's solar system that I think may be correct.
For background understanding: My Main Planet is orbiting a G-Type Star in this binary system, whereas ...
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If possible, what would be the conditions for a planet like Earth to have an emerald green sky in its twilight zone? [closed]
Regardless, how can I get an idea of how the color of starlight, or any other natural phenomenon, impacts the color of the sky at different times of day?
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Is this a viable theoretical method of fast interplanetary space travel?
Let's say in the future humanity has traveled to all parts of the solar system, but they want to be able to travel between planets faster. In pursuit of this, they create massive space probes with ...
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What dictates whether an orbit gets disrupted or stabilised due to an orbital resonance?
Context:
I've got an asteroid belt analogue situated between a Gas giant and a Super-earth. I knew about resonances, so I started calculating them and placing some of them in the belt, especially ones ...
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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 ...
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Jupiter's moon Europa - is it possible to colonize Europa? [closed]
So basically, I have to write a thesis paper because I'm in the last year of high school. It is an independent research project and the culminating work of my studies in school, so it represents my ...
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How would these characteristics of a habitable planet in a triple star system affect the needed aspects of having two moons?
If a habitable planet is in a hierarchical triple star system (not unlike alpha Centauri) and has two moons but has a large torrid zone, what characteristics would my moons need to have in terms of ...
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What adaptations would be needed for life and water around a blue star?
Of course it's very obvious that blue stars are insanely hot and would boil away most things if they got too close. BUT I'm curious if with just the right adaptations and fiddling, could there, ...
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If a sun were orbiting around Earth, how far away and how big would it need to be to look similar to our sun?
So in my universe, there's only a single planet, contained within a spherical shell. Orbiting around it is a dragon, holding a "sun" for lack of a better word. This sun is not a star as we ...
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How To Calculate Moon Cycles To Cause A Lunar Event Every [250] Years?
My first post here, so friendly hello!
I need some bigger brains than mine, or just some other braincells to reverberate off of. I have a world with three moons and I'm trying to calculate the length ...
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What elements are usually in the planets near the sun?
This is a follow-up to my original question about my planets, but this one is mostly for a different planet.
Basically, I have a small terrestrial planet close to the Sun, about the size of Mercury. I'...
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How should I position my planets?
I'm working on a story about four planets around a star much like the Sun. But due to my (very limited) knowledge of gravity, I know that putting them too close together will cause them to collide or ...
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Suppose an array of mirrors 50 km above the surface reflect light straight down. How long before the sun rise are they illuminated?
Suppose at a point in the earth’s future, a superstructure has been built at the northern 45 parallel. 50 kilometers above sea level, a large array of mirrors has been built. The mirrors are ...
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How much time would take for Venus to generate a Magnetic Field?
Supposing that we managed to speed up Venus's rotation to a 24 hour cycle in just under 40 years (how we managed to do that is irrelevant here), how much time would take for Venus to form a magnetic ...
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Is there a way to find the dates that a solar eclipse happens while Ceres is in alignment with Earth? [closed]
In the game i'm working on the Earth was hit by a Coronal Mass Ejection during a solar eclipse. I'm looking for dates between 2100 and 2300 where a base on Ceres would be protected by being in the ...
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Can a habitable S-type planet and three habitable P-type planets exist in one binary star system?
In this solar system are two stars, named Genesis and Exodus. Currently, I don't know the types because the need of habitability on the planets might affect the requirements for these stars. They ...
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How would a planet with three suns, orbiting only one work?
Okay, I am planning to make a planet that has three suns, and orbits one of them. Each of the suns has its own orbital path, so it's possible for the planet to have one sun, two suns, or three suns in ...
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Would my solar system work out?
I've been building my own story world with my friend which revolves around humans and different intelligent beings, and for one of the beings, I've come up with a planet and a solar system that is ...
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What problems, if any, does a low density cause in a planet larger than Earth in mass and radius?
I'm worldbuilding for a sci-fi setting with some help from old Artifexian videos, and have made a planet that's suitable for human habitation. However, as this planet is larger than Earth, to make the ...
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How to estimate the average surface temperature of a planet? [closed]
If given:
Planet mass
Planet radius
Planet orbital distance (perihelion and aphelion)
Planet albedo
Planet atmospheric composition
Planet atmospheric pressure
Star mass
Star luminosity
Is there any ...
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How plausible is my alien world? Hot Jupiter system with habitable planet?
The theoretical world of Hēdran is the 2nd planet of a 7 planet system. It lies within its star's (G1.4) habitable zone, but with a hot jupiter gas giant only ~1 AU away it experiences heavy ...
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Motivations for technologically advanced humans to abandon the solar system or a planet still habitable? [closed]
Let's say we are in the moderately distant future. For example, humans are technologically advanced enough so that interstellar travel is possible and Venus and Mars are terraformed. General ...
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How close the the star should i place my lava planet?
I am building a solar system with a k5v star at its center. Here are the some important stats for my star:
Mass: 0.70 M
Radius: 0.67 R
Luminosity: 0.15 L
Surface gravity (log g): 4.40cgs
Temperature: ...
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Can I make a Binary star system with a class G star and a black dwarf?
I am constructing my own cluster of solar systems for a story I'm working on and had the idea of adding a black dwarf somewhere to indicate the timeline of this story.
My question is. Does a black ...
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Is it possible for a planet to not spin around its axis?
I'm currently reading a novel where the story happens on a planet orbiting Proxima Centaury. As the planet is very close to the star, which is a red dwarf, it is tidally locked to the star like our ...
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Can large stars have tidally locked worlds in their habitable zones?
I think the vast majority of space-enthusiasts has heard at some point that in order for a planet orbiting a red dwarf star to be habitable, it needs to be close enough to its parent star to sopport ...
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How plausible is my solar system?
I am currently working on a world orbiting around a red dwarf star (M0V to M2V, I haven't decided yet) and I need some help with designing the solar system. My original plan was having 4 planets ...
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How would I make my Quintuple Star System Stable?
So I've been working on a star system that I want to have inhabitable planets, so by stable I mean stable on the timescale of the stars themselves; billions of years at least.
So my initial plan was a ...
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How to make a world with very long tide cycle
I want to create a world for a story: Charybdis - a world of high tides. Very high tides.
Tides that drag whole ocean around the world - or most of it - in a long cycle. It must lasts at least several ...
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How do I make my planet dimly lit but still habitable? [duplicate]
Currently I am making a solar system for a speculative evolution project, and I wanted my habitable planet to be really dark, while still being habitable (Preferably slightly colder of warmer then ...
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Various eclipses in a P-type binary star system?
Trying to make a world with a P-type binary star system, with a habitable planet orbiting around them, and one moon orbiting said planet. I am terrible with physics so I've been wondering if any of ...
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Where could artificial satellites be placed in a binary planet system?
I’m building a binary planet system, and I want to know where I could place large groups of satellites. I’m worried centrifugal force and coriolis effects will prevent a satellite from occupying any ...
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Is my map of prevailing winds on a binary planet realistic?
My binary planet consists of a Venus sized earth-like planet, tidally locked to a mars sized “super mercury”, with their centers separated by about 7 Venus radii. I know the coriolis effect would ...
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Questions about my binary planet system [closed]
I’ve recently designed a star system containing a habitable double planetary system, but I still have several questions to fill in I need answered.
My binary planet is a Venus sized (mostly) Earth-...
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Can a planet with variable gravity have constant atmospheric pressure over the surface
This earth has roughly three to five times the radius and ten to twelve times the surface area of our earth
And it lies in the center of toroidal planet (their equatorial planes line up perfectly). ...
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Are there Tides Affecting Stellar Brightness?
I'm working on a fantasy story set in a slightly modified version of the Trappist-1 system (all orbits are perfectly resonant rather than only nearly so), and I am trying to get as good of an ...
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Seasons of an exomoon in a binary star systems
In my story, I have an superhabitable exomoon that is tidally locked to a gas giant (a planet similar to Saturn with the rings, but slightly smaller). This gas giant is in an s-type orbit of a binary ...
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How close can my brown dwarf orbit the sun and still realistically be undetected? [duplicate]
I have an idea to put another life-bearing planet in the solar system. You could have a brown dwarf orbiting perpendicular to the solar ecliptic. It's a brown dwarf so that it can send infrared ...
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How close to themselves could be two planets orbits?
There's some pattern within our solar system and many others as well such as the planetary orbits lay within some gradually increasing distances. I assume they could be spread less regularly (looking ...
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The plausibility of Rock comets and Molten Asteroids
If a stony asteroid get so close to it parent star that the siliceous rock would get hot enough to melt, What would happen?
Would the rock turn straight into vapor and form a comet tail line like in ...
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