All Questions
10 questions
6
votes
6
answers
2k
views
How possible is a habitable, liquid ocean-planet at temperatures below 0°C?
I plan on having an ocean-planet with a breathable atmosphere built into my current setting, orbiting its host-star (a K4v main-sequence star) a short distance beyond its frost-line, with oceans that ...
- 1,302
5
votes
1
answer
239
views
Daily eclipses for a moon orbiting a gas giant?
I've dug into the idea of a habitable moon getting daily eclipses due to its gas giant getting in the way of the sun; but most examples I've found specify a tidally locked moon. I'm no astrophysicist ...
20
votes
2
answers
3k
views
What would the consequences be of a high number of solar systems being within close proximity to one another?
What would the consequences be of a high number of solar systems being within close proximity to one another? I'm mainly interested in the consequences for life on multiple planets. When I say 'close ...
- 353
0
votes
2
answers
141
views
A pair of similar celestial bodies coming near each other
In my conworld I have two moons (they could be planets if desired as long as
they can stay 'close' to a larger nearby body) of habitable size. I want to
reality-check and provide an explanation for ...
- 111
3
votes
1
answer
524
views
Habitable planet around a binary brown and white dwarf system
Brown and white dwarf stars are thought to have habitable zones but are very close orbits. Plus these planets will experience strong tidal forces and be tidally locked. But if you have a large Earth,...
- 466
17
votes
6
answers
2k
views
How could you keep a rogue planet warm(ish)?
I'm working on a story right now where darkness plays an important role, and I had the idea to set my story on a rogue planet, a planet in perpetual darkness because it has no sun. However, from what ...
- 479
1
vote
3
answers
719
views
Could a planet with no satellites and no tectonic plates be habitable? [closed]
If there was an earth-like planet in the habitable zone, without tectonic plates or a satellite what would its characteristics be like (structure, geology etc.)?
- 29
2
votes
0
answers
158
views
Can a gas giant form in the Goldilocks zone and have habitable moons. And if it can how many of those moons could be habitable? [duplicate]
Humanity is about to leave our solar system for some reason and a gas giant with 60 moons has been spotted in the Goldilocks zone of a nearby solar system. They arrive there and it turns out, a space-...
user23560
4
votes
5
answers
801
views
Can a planet with 2/3 Orbital eccentricity sustain life?
On a planet where it is Earth-like, the orbit around the sun is a bit longer than 1 Earth year, and the orbit is on 2/3 eccentricity, but where only the "2" part is inside the Goldilocks zone.
In ...
- 5,692
19
votes
4
answers
6k
views
How small could an Earth-like planet be while still realistically being able to sustain human life?
I'm thinking a planet orbiting a nearby star colonized by human settlers sometime in the not near, but not too distant future. How small could a planet be while still standing in as a relatively ...
- 413