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Posts tagged planets

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1.4k posts
Tag Only Tag + Children
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Are geographically typed planets realistic?

5 answers  ·  last activity 4 months ago by ‭Canina‭

reality-check planets geography
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Asteroid flux or: How to make a planet perfect for mining

1 answer  ·  last activity 4 months ago by ‭Canina‭

planets mines
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How do seasons work in a binary system (planet orbits one star, not both)?

5 answers  ·  last activity 4 months ago by ‭Monica Cellio‭

planets science-based stars light
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How much does my secondary star heat the planet orbiting my primary star?

3 answers  ·  last activity 4 months ago by ‭Monica Cellio‭

planets stars
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Inverse orbital direction

2 answers  ·  last activity 5 months ago by ‭HDE 226868‭

planets orbital-mechanics
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Do seasons occur on a tidally-locked planet?

4 answers  ·  last activity 5 months ago by ‭HDE 226868‭

astronomy planets seasons astrophysics tidally-locked
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How do I calculate the loss of primordial heat for a given age and mass of a planet?

3 answers  ·  last activity 5 months ago by ‭HDE 226868‭

planets thermodynamics
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What could cause Earth to drift out of orbit over a period of months to years?

6 answers  ·  last activity 5 months ago by ‭Canina‭

planets science-based apocalypse earth
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How to Calculate Apparent Magnitude/Brightness of Planets from Within the same Solar System

0 answers  ·  last activity 5 months ago by ‭A.E. Stephenson‭

astronomy planets orbital-mechanics optics
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How large would be the habitable area in a tidally locked planet?

2 answers  ·  last activity 5 months ago by ‭Mister Onion‭

planets
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Are these traits for my planet mathematically accurate? Could it support life?

2 answers  ·  last activity 5 months ago by ‭Praearcturus‭

reality-check planets science-based habitability
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Earth-sized Moon with Host Planet launched from Star System

4 answers  ·  last activity 5 months ago by ‭user76027‭

biology planets moons orbital-mechanics rogue-planets xenobiology
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Properties of an Argon based gas giant

1 answer  ·  last activity 5 months ago by ‭RMurphy-Keith‭

atmosphere planets gas-giants gas
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How far above the galactic plane could an Earth-like planet develop?

1 answer  ·  last activity 5 months ago by ‭Vigilant‭

earth-like planets science-based earth galactic
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How large and compact could a cold east Mongolia-like steppe be on an Earth-sized planet?

1 answer  ·  last activity 5 months ago by ‭galactic_analyzer‭

earth-like climate planets geography earth
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Would a civilization living on a planet without a moon still come up with the concept of months?

6 answers  ·  last activity 5 months ago by ‭galactic_analyzer‭

planets society civilization time-keeping time
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How Would I Make an Oceanless World Feasible?

8 answers  ·  last activity 5 months ago by ‭The Weasel Sagas‭

climate weather reality-check planets habitability
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How can a rogue planet get energy for plants to use?

8 answers  ·  last activity 6 months ago by ‭Chickenpeep Chickenpeep‭

planets science-based flora energy
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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?

2 answers  ·  last activity 6 months ago by ‭Khwarezm‭

astronomy planets science-based moons
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Greenhouse Effect Strength- Ammonia World

1 answer  ·  last activity 6 months ago by ‭Sam D. Jones‭

planets chemistry
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Putting together a research expedition to an alien planet - what kind of scientists am I taking with me?

4 answers  ·  last activity 6 months ago by ‭Faz‭

planets scientific-development exploration
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When earth is filled to the brim with plant-life, can it cause a hyperoxic environment?

3 answers  ·  last activity 6 months ago by ‭chaeltom‭

environment climate planets flora climate-change
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Temperatures on an Earth with a week-long rotational period

2 answers  ·  last activity 6 months ago by ‭Ryan Williamson‭

climate reality-check planets
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Would it make sense to send potential human colonists on the initial manned expedition to a habitable, Earth-like planet?

5 answers  ·  last activity 6 months ago by ‭Space_Cadet‭

space travel planets space-travel colonization space-colonization
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I want ten Earth-years long day on my planet. Can I have it?

6 answers  ·  last activity 6 months ago by ‭Zjerzy‭

climate planets day-night orbital-mechanics
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Is my planet realistic?

4 answers  ·  last activity 6 months ago by ‭LonelyCryptid‭

reality-check planets solar-system
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What is the tallest mountain possible in any gravitational environment?

2 answers  ·  last activity 6 months ago by ‭Slarty‭

planets science-based physics gravity alternate-worlds
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Binary Star System Build - Alpha Centauri

1 answer  ·  last activity 6 months ago by ‭user72655‭

space planets science-based orbital-mechanics solar-system
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Is it possible for a planet to only support liquid water at the poles?

2 answers  ·  last activity 6 months ago by ‭Ichthys King‭

planets ocean
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Could habitable planets form in an ultracompact galaxy?

2 answers  ·  last activity 6 months ago by ‭RandySavage‭

reality-check planets gravity galactic interstellar
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Would a life-bearing Earth-like world with 3g average gravity produce more or fewer flying creatures than Earth?

2 answers  ·  last activity 7 months ago by ‭James Grossmann‭

biology planets gravity creature-design flight light xenobiology
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Distance from Jupiter to minimize destructive tidal forces

2 answers  ·  last activity 7 months ago by ‭Carlos Zamora‭

planets science-based alternate-reality
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Can a perpetually darkening atmosphere exist and yet still allow life to evolve?

3 answers  ·  last activity 7 months ago by ‭QUESTER42‭

biology atmosphere planets xenobiology
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How did aliens on a habitable planet hide themselves during the recon and scouting stage by human colonists?

12 answers  ·  last activity 7 months ago by ‭Faz‭

space travel biology planets space-travel xenobiology
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Planet with double the orbital period of Earth

4 answers  ·  last activity 7 months ago by ‭Julianne‭

planets science-based rogue-planets science-fiction
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Is it possible for a planet to have an area saturated with lava but at the same time is still habitable to humans and other lifeforms?

2 answers  ·  last activity 7 months ago by ‭In the name of the story‭

planets geography geology
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I'm formulating a planet that has silver dust on its surface, and ideally has rivers of mercury flowing on it, possible? Human survival not necessary

3 answers  ·  last activity 7 months ago by ‭RJ0001‭

space planets spaceships solar-system ships science-fiction
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Giant planet renders one side of its moon deadly, the 'shadow side' habitable. How?

3 answers  ·  last activity 7 months ago by ‭N. Bleac‭

planets science-based radiation
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How Would I Believably Wipe Out an Entire Planet's Population and Culture Without Destroying Said Planet?

5 answers  ·  last activity 7 months ago by ‭The Weasel Sagas‭

reality-check planets civilization apocalypse post-apocalypse death
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Plausible reasons for a whole planet to have a temperate oceanic climate?

2 answers  ·  last activity 7 months ago by ‭The Weasel Sagas‭

environment climate reality-check planets history
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Would these processes be probable on this planet?

3 answers  ·  last activity 7 months ago by ‭Covision‭

planets stars geology volcanoes chemistry
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Consequences of hitting a Pluto-like planet with a highly luminiferous meteorite?

1 answer  ·  last activity 8 months ago by ‭CAE Jones‭

reality-check planets geology
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Are Geologically Dead Planets Habitable?

9 answers  ·  last activity 8 months ago by ‭The Weasel Sagas‭

reality-check planets solar-system habitability
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How massive would a planet need to be to sustain negligible damage from impact with the Earth?

6 answers  ·  last activity 8 months ago by ‭Wax‭

planets science-based physics astrophysics
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What are planetary side effects of having a thicker atmosphere?

1 answer  ·  last activity 8 months ago by ‭Vigilant‭

climate atmosphere planets science-based
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What kind of climates and biomes would exist on the continents a tidally locked ocean world?

2 answers  ·  last activity 8 months ago by ‭SentiCarter‭

climate planets tidally-locked
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What are some ways to hide a planet?

11 answers  ·  last activity 8 months ago by ‭Primordial‭

space travel planets technology space-travel
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Colonies on Jupiter

4 answers  ·  last activity 8 months ago by ‭CatSharkSnake‭

space planets colonies colonization space-colonization rogue-planets survival
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How can early people prove that their planet is a cuboid?

4 answers  ·  last activity 8 months ago by ‭user6760‭

planets mathematics scientific-development alien-geometry
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How would normal colors be affected if a planet's atmosphere was green?

3 answers  ·  last activity 8 months ago by ‭Primordial‭

atmosphere planets science-based science-fiction
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