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Questions tagged [planetary-systems]

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3
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1answer
63 views

Can giant planets in the habitable zone have rocky moons?

My question is in the context of a fictional super-Neptune that lies in the habitable zone of its host star system. Giant planets only form beyond the Frost Line of their protoplanetary disk, and ...
2
votes
1answer
182 views

Climate on a planet with huge tides

Tidea is a moon with an atmosphere orbiting a giant planet. Due to that, tidal forces on Tidea are enormous. I'm working on trying to understand how would the climate be on Tidea. Relevant things ...
3
votes
2answers
96 views

Moons changing their rotational periods

There is a planetary system with a big planet and two moons, Luna and Laltre orbiting around it. Luna has a pretty similar orbiting (1 earth-day) and rotating period (slightly less than 1 earth-day). ...
0
votes
1answer
67 views

Temperature on a bulls-eye planet planet orbiting a red dwarf star [closed]

I recently attended a talk on current research into exoplanets and it got me thinking. I want to create a setting on a tidally locked eyeball planet for a futuristic sci-fi story. What I want to ...
10
votes
1answer
405 views

What would tides look like on a planet with two similarly sized and oppositely places moons?

I’m making a mostly ice planet with two moons. For the purposes of this question, let’s assume that they are both proportional size and distance to the size and distance to our moon. Both are tidally ...
5
votes
1answer
94 views

Is it possible an ice line from pole to pole in a tidally locked Earth-like moon?

I am aware that there are a lot of answers explaining the fundamentals of a tidally locked "Earth-like" moon around a giant gas planet. For example this one: Habitable moon of a gas giant: working out ...
2
votes
2answers
179 views

Would a planet with these seasons be possible?

Just as a disclaimer, I have very little knowledge on the science on all of this and have a very poor grasp on what is plausible and what isn't, but I suppose that's why I am here. I have a concept ...
9
votes
1answer
208 views

The Nightfall / Kalgash System

"Nightfall" by Isaac Asimov (you can hear the story here on escapepod, if you need it) postulates a planet in a multi-sun system. The orbital mechanics of the 6 suns result in all of the sides of the ...
2
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6answers
279 views

What layout to use for towns and cities from a species under threat of extermination?

The premise is as follows: A species uses biological constructs to protect themselves from forces that attempt to exterminate them. These biological constructs have a far faster growth than the ...
6
votes
3answers
974 views

How To Make an Earth with 27 Suns Work, Attempt Two: Orbital Stability

This is the continuation of a thread of related posts on a hypothetical alternate universe/Light Plane. Other posts from this thread are here: How To Make an Earth with 27 Suns Work Radiation ...