Questions tagged [rogue-planets]
Used for questions regarding a free-floating planet independent of any star.
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Could a planet be ejected from a system by a rogue planet? (possibly in a binary pairing)
Assuming an earth-like Solar System with an earth-like planet, would it be possible for a rogue planet travelling at a high speed to disrupt the earth-like planet's orbit so as to leave the solar ...
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Local surface warming on a rogue planet [closed]
There have been several previous questions about geothermal warming of a rogue planet with regard to depth: how much overlying atmosphere, water, rock do you need for a given geothermal flux to ...
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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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The Frozen Star - Can U-238 reactors be used as a energy source for 10,000 years?
I was watching this Minecraft Animation video based on a scientific concept about what would happen if we froze the Sun - What happens if we Freeze The Sun- Portrayed by Minecraft.
In this video, ...
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Could my planet sustain life?
Could my rogue planet sustain/evolve complex multicellular life in its oceans?
Details
The planet is very volcanically/tectonically active.
The planet is about 1.25 the size of earth.
The planet has a ...
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Fire Planet as a light/heat source for my planets
So, basically, I was looking for a alternate light/heat source for my science-fiction novel which I am planning to write. I didn't rely on stars due to some reasons that I omitted from the original ...
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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 ...
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How to reignite a sun?
I just had an idea in a sci-fi setting for an alien race that has re-emerged, but I don't know how plausible it is or if there is anything to make it more plausible.
Consider a conventional universe, ...
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Can Logoworld - the planet in the worldbuilding SE logo - exist as depicted?
I really like the logo at Worldbuilding SE; it features a polyhedral planet and a beautiful city with a flying whale ship. That planet is particularly neat. Light glances off its facets, resulting in ...
user86462
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Is the following rogue planet's atmosphere setup possible?
This is part of a series of question.
Context: For a story, we would like a rogue planet to have certain characteristics. I hesitated to split the question by characteristics, but unfortunately they ...
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How slow and and how close could a rogue planet pass by the Solar System not to have catastrophic consequences on Earth Orbit?
This is part of a series of questions.
Context: a friend of mine is writing a novel about a rogue planet around the mass of Mars passing by the solar system before continuing its journey in ...
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Consequences of living on either of two habitable planets orbiting a super-Earth? [closed]
I'm working on a habitable planetary system just at the doorstep of the Solar System. I'd like it to be unique, so I'm thinking of using two habitable planets orbiting a super-Earth. The super-Earth ...
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How would geothermal heating affect ocean currents on a rogue planet?
On earth, the ocean's surface currents are influenced somewhat by the tides, but more by wind, and we have wind because the air at the equator heats up more than the air at the poles, causing low- and ...
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How could a starship take on a planet-massed passenger without noticing?
tl;dr: How could one ship transfer a planetary massed being to another ship without them noticing the gravity field during the operation? How could two ships rendezvous in deep space with one of ...
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How quickly will the oceans freeze if Earth becomes a rogue planet?
Assume Earth has been wrenched out of the Sun's orbit and has become a rogue planet (for the purposes of this question, assume that it happens near instantaneously, i.e. say the Sun just vanishes). ...
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