Questions tagged [life]
For questions about the characteristics of living beings in different settings. This tag is not for questions about the daily life of characters.
177
questions
7
votes
4
answers
667
views
Could two planets located in the habitable zone create life and in turn intelligent life around the same time?
I have two planets located in the habitable zone of a 1.02-mass Star(Class: G1.7V).
The first planet is located 1 AU away from the Star and the Sun is 1.08 times brighter than our sun to anyone on the ...
- 1,321
8
votes
5
answers
4k
views
Would My Planet’s Blue Sun Kill Earth-Life?
I’m creating an Earth-like world where the sun appears blue to people from the planet’s surface. I think I’ve narrowed down the cause of this effect to the presence of 1 micron particles in the ...
- 97.7k
15
votes
1
answer
2k
views
On a planet with larger gravity, would aquatic creatures be larger or smaller?
It is somewhat common knowledge in the worldbuilding community that larger planets leads to smaller land creatures, because larger planets means more gravity gets bigger and that makes it harder to ...
- 78.3k
1
vote
2
answers
115
views
Would this unorthodox planet be habitable by carbon based life forms?
While researching volcanoes, it’s very clear super-volcanic eruptions are not only dangerous to life in its vicinity, but the entire planet as it can decrease global temperature and cause long periods ...
- 4,666
2
votes
3
answers
323
views
What adaptations would be needed for life and water around a blue star?
Of course it's very obvious that blue stars are insanely hot and would boil away most things if they got too close. BUT I'm curious if with just the right adaptations and fiddling, could there, ...
- 63.3k
5
votes
2
answers
3k
views
Iron based life
Lately I have been thinking about possible forms of life on planets that would have radically different experiences than here on Earth. I was wondering if life based on transition metals was possible ...
- 115
3
votes
1
answer
169
views
Could this animal exist on my planet
Im working on a project where I'm designing a theoretically possible planet with life and I had an idea for a massive sea animal (500-550 meters in length). Water animals get help from buoyancy but ...
- 30.4k
0
votes
4
answers
366
views
Fire Planet as a light/heat source for my planets
So, basically, I was looking for a alternate light/heat source for my science-fiction novel which I am planning to write. I didn't rely on stars due to some reasons that I omitted from the original ...
- 7,767
9
votes
1
answer
283
views
Could a planet support life if its only energy came from antimatter striking its atmosphere?
This planet is a rogue planet without any star or without being volcanically active. Antimatter continually collides with the planet, and annihilates with hydrogen in the upper atmosphere. This ...
- 102k
6
votes
3
answers
1k
views
Could an ecosystem exist where no rain falls (only snow and ice)?
I am trying to create a boreal, alien ecosystem loosely based on Northern Siberia. Liquid rain never falls here, since snow and hail fall instead for most of the year, and the short, hot summers- the ...
- 29.1k
9
votes
4
answers
511
views
Could a moon of Epsilon Eridani b Have Surface Oceans of Liquid Water?
Specifically, the gas giant Epsilon Eridani b, and a moon that has a mass of ≥0.25 Me. If there's no feasible way the moon could have oceans at a distance of 3.52 AU from a star that emits 0.34 times ...
- 109
7
votes
9
answers
2k
views
Why is overpopulation not an issue on a floating island where people can live for a long time
In my setting there are large floating islands and much smaller floating islands that flow in random directions. Smaller ones sometimes contain mini ecosystems or ore veins that are extremely useful ...
- 15.3k
3
votes
1
answer
111
views
Organic reactions in alien peat [closed]
So imagine there's a peat composed of a mixture of partially decomposed polypropylene and polyethylene. Another girl and I worked out the reactions for polyethylene and its decomposition byproducts, ...
- 305k
5
votes
2
answers
198
views
Superactinide Incorporating Biochemistry
Alright so as it is known, trans-uranic elements are universally unstable. However, in this setting, I'm using forms of quark matter that can imitate the nucleus of transuranic elements at least mass ...
- 305k
2
votes
1
answer
231
views
Biosolvents for Life
What biosolvents could, in theory, permit the emergence of life on other worlds? I have been recently looking through possible biosolvents and I have found a good number, but I am specifically looking ...
- 6,922