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Reasons for Insanely Huge Precious Metal Deposits?

planets geography geology metals trade

answered 1 hour ago Michael Richardson 9,774

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How would a torus planet's magnetic field work?

planets electromagnetism

modified 2 hours ago Nyra 586

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How close to the sun would a planet or moon have to be to have human-safe temperatures?

planets space climate atmosphere space-colonization

modified 14 hours ago jdunlop 19.8k

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Is This Living Planet Plausible?

reality-check biology planets science-fiction life

modified 2 days ago TysonDennis 1,818

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What substance would make a good lava ocean?

science-based planets chemistry temperature

modified 2 days ago Willk 215k

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What are the requirements for an atmosphere retaining moon with a stable orbit around an Earth-like planet with non-destructive tidal forces?

reality-check planets gravity moons atmosphere

answered 2 days ago TysonDennis 1,818

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Rotating ice lake of high molar hydrochloric acid

planets environment chemistry

modified Apr 13 at 16:26 chasly - supports Monica 45.1k

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How Small Can a Planet be with 1G Gravity and Tectonics?

planets hard-science gravity astronomy tectonics

answered Apr 13 at 11:08 Fred 1,296

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How would the reflection of sunlight change the day / night cycle of a binary planet system?

reality-check planets astronomy astrophysics

modified Apr 12 at 5:45 M. A. Golding 18.7k

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What is the largest possible appearance of a celestial body in the sky?

planets hard-science moons orbital-mechanics stars

modified Apr 12 at 3:19 M. A. Golding 18.7k

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Climate of a Planet in a Binary Star System

planets space climate stars

answered Apr 11 at 23:00 TysonDennis 1,818

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Is it plausible for a planet to have a face constantly sunlit while the other is constantly moonlit, with the sun/moonlit territories never changing?

reality-check planets moons orbital-mechanics stars

modified Apr 9 at 14:50 Guest 43

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Can a fast planetary rotation create a planet with an equatorial continent, preferably with very high mountains and two polar oceans?

planets orbital-mechanics geology tectonics

modified Apr 9 at 11:53 Uriel 2,304

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Changes to water worlds to make them habitable

planets physics xenobiology environment ocean

modified Apr 7 at 19:19 Len 3,608

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