Skip to main content

Questions tagged [solar-system]

For questions regarding a star and the area comprising its gravitational dominance. While they are not part of its technical definition, it colloquially refers to the planets, moons, asteroids and other bodies orbiting the star.

0 votes
0 answers
50 views

How do I find the correct planetary spacing for my red dwarf system?

I have a system with a K6.7V star at 0.585 M☉. The planetary system has 7 orbits -- A tiny, rocky planet at 0.043 AU with a mass of 0.0465 M⊕. A tidally locked, habitable, water world planet at 0.34 ...
Aster's user avatar
  • 341
6 votes
4 answers
715 views

Is it theoretically possible for a planet to orbit a star that is orbiting a black hole outside of the event horizon? And what would it look like? [closed]

I have written a book in which a planet orbits a star that orbits a black hole. I would like to know if this concept is completely impossible, or if it could, in theory, occur. I realize this all ...
MGJ's user avatar
  • 61
1 vote
2 answers
143 views

Highly Visible Comet in the Sky

There is a comet in my world which passes my world's version of Earth every 25 years. I'm having difficulty figuring out how to make the comet fit my requirements. Requirements: Passes my planet only ...
Fallenspacerock's user avatar
11 votes
10 answers
3k views

Permanent Full moon via "Magic"

The Problem I had in mind giving my world a permanent full moon for a long time. Though I generally ran into 2 problems along the way. Firstly I wanted of course to make it appear as if it was always ...
Fallenspacerock's user avatar
1 vote
9 answers
1k views

Can I create a world of stationary planets? [closed]

I have created this massive world composed of 15+ planets, all elevated in space, surrounded by stars and countless other uninhabited/desolate planets. Is this even possible? Do I have to create a ...
bookloverKM's user avatar
8 votes
2 answers
137 views

How close to a star could a dense asteroid belt reasonably form?

I would like to have an asteroid belt "close" to a star. I want it to contain "large" asteroids. Is this plausible? I believe the location of our real life asteroid belt is ...
spraff's user avatar
  • 2,259
8 votes
15 answers
3k views

Hiding a star cluster

I have a concept involving the colonisation of a star cluster by ideological outcasts who want to be left alone. Is it possible for them to either totally physically hide this cluster (presumably ...
Valitenci's user avatar
  • 508
1 vote
0 answers
108 views

what shape would a planet entirely dedicated to watching be [closed]

If I have a planet fully dedicated to watching (think the Eye from Magnus Archives) what shape would allow for constant observation of the whole planet from some sort of tower
Overflight's user avatar
4 votes
1 answer
161 views

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 ...
Dova's user avatar
  • 143
0 votes
2 answers
363 views

Implications of Venus and Mars having the same mass as Earth

Could anyone advise if there have been any simulations on the long term stability of our solar system if Venus and Mars both had the same mass as Earth ? If not, is this something that can be answered ...
Adrian's user avatar
  • 9
4 votes
1 answer
1k views

Could this hypothetical Super-Earth support human life?

The Question Could this hypothetical Super-Earth (Planet Y) support the lives of human settlers arriving from off world, or have I created any reasons for the planet to be inhospitable? Planet Y Star: ...
DangItBilly's user avatar
6 votes
3 answers
329 views

Plausibility of life emerging and evolving on gas giant moons?

I have been working on the setting for a hard speculative biology/evolution project that for now will simply be referred to as the Gemini Project, and the main issue I've been having is whether or not ...
Inanis343's user avatar
  • 511
2 votes
2 answers
358 views

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 ...
Elhammo's user avatar
  • 975
2 votes
1 answer
151 views

How do I make an Earth-like habitable planet tidally locked to a red supergiant (class L or M)?

Assuming tidally locked planets have the potential to be inhabitable: Is there any way for a planet of Earth-like size to become tidally locked to a red supergiant of class L or M?
Mensch79's user avatar
1 vote
2 answers
481 views

Calculating distance of the frost- and ice line

To begin, my star is a K type star with 0.65 solar masses. I've inserted my star's mass in two different templates to calculate the frost line, yielding different results (2 AU and 2.68 AU). ...
Explunky's user avatar
  • 388

15 30 50 per page
1
2 3 4 5
25