Linked Questions

1
vote
2answers
114 views

Can a square world/planet work? [duplicate]

I'm working on a idea of making a half square/cuboid, half sphere world. The shape of it will be like this from the side and I'm planning to make the cuboid side the main area where my story and ...
29
votes
14answers
6k views

World with a different sun every day, and random days with no sun

I am currently working on a fantasy world setting and I had this idea about a world having a different sun every day. There could be around 3-12 suns in total, and every day, a different one would ...
16
votes
6answers
7k views

Would an object float in mid air at the center of mass of a planet

I've been wondering, would it be possible to achieve levitation of an object in the center of mass of a planet? I ask this because the gravity is the attraction between bodies and theoretically the ...
23
votes
5answers
4k views

How would a civilization that has been living on a “cube” Earth differ from one on a “spherical” Earth?

Another question based off of this one here. Let's say on a cube styled Earth-like planet, there was a similar race to humans. If the differences in the planets were minimal (besides, you know, the ...
6
votes
2answers
537 views

Gravity/Ecosystem on a peanut-shaped planet?

I'm interested about whether or not and how gravity would be affected on deformed planets. You could think of this as whether or not mega-asteroids would be able to sustain life? If so, would ...
7
votes
3answers
2k views

Can a planet with no tectonic plates technically exist and be habitable?

Going off of my other question here, I guessed that a cube planet could work out. BUT, would it be possible for the planet to exist and function as a (relatively) normal planet with life on it without ...
6
votes
4answers
655 views

Is a ring planet possible?

No planet in the center, just a large O shape made up of large chunks of rock that in and of itself itself orbits a sun, as if it were a planet (as distinct from a ringworld). I know most of the time, ...
2
votes
6answers
359 views

What would be the conditions and causes that would make a planet not spherical?

Introduction I have been looking for information on the Internet. I have discovered that the shape of the planets is due to the gravity to which they are subjected, so they are spheres (,but they are ...
3
votes
3answers
743 views

Gravity on a Cube World [duplicate]

Say that you have a planet that, instead of being spheroid, is cuboid. How would such a planet form? Wouldn't the gravity pull the matter toward the corners toward the center, causing the planet to ...
5
votes
3answers
323 views

To Catch A Planet

Let's suppose we live in different star system with two similar-sized planets (with a mass of three and a half Earths.) We live in Planet A, which is habitable. For some reason, Planet 2, our neighbor,...
4
votes
4answers
404 views

Is a spherical core and magnetic field possible in Cube world

Pretty self explanatory question...can the Cube Earth described at the link below support a spherical core and a magnetic field? How would a civilization that has been living on a "cube" ...
1
vote
4answers
141 views

How can early people prove that their planet is a cuboid?

Imagine a cuboid planet with a thick atmosphere orbiting a star similar to our Sun. The inhabitants are as intelligent as humans and recently discovered the universal laws of gravitation and motion ...
3
votes
4answers
601 views

Why would a planet be spinning fast enough to fly apart?

In a comment to this question imallett brought up the idea of a gas giant spinning so fast that the air is moving at near orbital velocity. In Mission of Gravity Hal Clement has Mesklin spin so fast ...
1
vote
3answers
295 views

Likelihood of Torus planets forming

You've most likely heard that planets can exist in the shape of a donut, also known as a torus. These toroidal worlds could even support human life, as long as it spun fast enough to balance out it's ...