All Questions
Tagged with science-based xenobiology
436
questions
7
votes
4
answers
2k
views
Airtight beaks?
I have a (moderately) hard sci-fi, in which there is a species (the Bethin) who are based on squids. They have the biological equivalent of a space suit for their skin, and use the mantle cavity as an ...
13
votes
10
answers
4k
views
How much time is needed to judge an Earth-like planet to be safe?
A colony ship has been sent to deep space to colonize an earth-like planet. Through astronomical spectroscopy, the atmospheric composition was found to be suitable for human life. But of course, ...
- 953
4
votes
3
answers
658
views
Possible binding agent for Chlorine in blood?
It is as the title says, is there any good agent for binding to chlorine in blood, for fauna that respirate such a thing. Like iron bonds to oxygen in our own blood, in order to transport it?
I tried ...
- 589
5
votes
3
answers
771
views
How do these trees not collapse? [closed]
I'm currently building a planet, an ammonia world with an average temperature of 225ºK and has a mass of 2 earth masses and a radius of 1.25 earth radii. The average pressure at sea level is 4 ...
- 1,553
3
votes
1
answer
90
views
Fire-analog on an ammonia planet
I am currently building a planet that weighs about 4 earth masses and it's radius is 2.3 times larger than that of earth's. It is an ammonia planet (as the title suggests), and has ammonia oceans with ...
- 1,553
2
votes
1
answer
205
views
Beryllium photosynthesis for floating plants?
I am currently building a planet that weighs about 4 earth masses and it's radius is 2.3 times larger than that of earth's. It is an ammonia planet (as the title suggests), and has ammonia oceans with ...
- 1,553
2
votes
4
answers
142
views
How would these floating plants not need to constantly adjust their gas bladder?
I am currently building a planet that weighs about 4 earth masses and it's radius is 2.3 times larger than that of earth's. It is an ammonia planet (as the title suggests), and has ammonia oceans with ...
- 1,553
4
votes
1
answer
116
views
How would these floating plants concentrate neon?
I am currently building a planet that weighs about 4 earth masses and it's radius is 2.3 larger than that of earth's. It is an ammonia planet (as the title suggests), and has ammonia oceans with some ...
- 1,553
5
votes
0
answers
166
views
Blood on this ammonia planet
I am currently building a planet that weighs about 4 earth masses and is 2.3 earth radii long. It is an ammonia planet (as the title suggests), and has ammonia oceans with some dissolved water ice, ...
- 1,553
5
votes
1
answer
100
views
What's an effective swimming stroke for a species with gliding membranes?
I'm writing about an alien species of lean-bodied, long-limbed bipeds who have vestigial gliding membranes stretching between their elbows and hips (female) or knees (male); see: https://...
3
votes
3
answers
170
views
A Better Genetic Polymer?
This is a long one. (TLDR at the bottom)
The prospect of alternative genetic polymers has attracted the interest of people for almost as long as we have known about DNA. Indeed, many alternative ...
3
votes
3
answers
574
views
How could an alien race convert an Oxygen-Nitrogen atmosphere into a Methane one?
For a story I'm working on, humanity meets an alien race of aggressive methane breathers, whose technology is as much biological as it is mechanical. When they locate a suitable planet for ...
4
votes
2
answers
274
views
Xeno Nucleic acids on an ammonia planet
Background
I am currently building a planet that weighs about 4 earth masses and is 2.3 earth radii long. It is an ammonia planet (as the title suggests), and has ammonia oceans with some dissolved ...
- 1,553
4
votes
3
answers
139
views
Radiosynthesis using radon?
I have made a few chemosynthetic and photosynthetic organisms as bases of the food chain for my worldbuilding project, and I thought why not make a radiosynthetic one?
Radon forms from the decay of ...
- 1,553
2
votes
1
answer
115
views
Chlorophyll-alternatives for plants in an Ammonia planet
I am currently building a planet that weighs about 4 earth masses and is 2.3 earth radii long. It is an ammonia planet (as the title suggests), and has ammonia oceans with some dissolved water ice, ...
- 1,553