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Q&A

Posts tagged aliens

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Q&A Can there be life on a planet with water, but without atmosphere?

Recently, a planet around Proxima Centauri has been found. It is in the habitable zone, in the sense that if the planet was a black body, it would have a surface temperature of −39° Celsius. The p...

6 answers  ·  posted 7y ago by Turion‭  ·  last activity 6y ago by Turion‭

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Q&A How big would an amorphous blob have to be to toss part of itself into orbit?

First contact with an alien life form often goes badly. In the case of Biothanata, it always goes badly. The first glimpse of this alien blob is in the form of a falling star, a meteorite. After bu...

8 answers  ·  posted 8y ago by ArmanX‭  ·  last activity 6y ago by ArmanX‭

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Q&A Stationary eye with moving pupil, is it possible?

I am making a sci-fi web-comic set on an alien world and I thought up an idea for an eye that works much like an eye from a mammal, but instead of moving the whole eye, only the pupil moves. This i...

3 answers  ·  posted 8y ago by Jesse‭  ·  last activity 6y ago by Jesse‭

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Q&A Why would aliens design their von Neumann replicators to use nitrogen?

I want to contrive a scenario in which 23rd century humanity faces a dire crisis due to an extraterrestrial von Neumann ecology that rapidly consumes Nitrogen as a part of its life cycle. So rapidl...

1 answer  ·  posted 7y ago by Z.Schroeder‭  ·  last activity 7y ago by Z.Schroeder‭

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Q&A Scientific Accuracy - How could Homo Sapiens effectively communicate with this aquatic alien?

I have designed an alien species similar to octopi (Tetrapus Sapiens) who live in the tropical waters of a fertile, lush world known as Iridia. The octopi (more like tetrapi) have moved past the hu...

5 answers  ·  posted 7y ago by Andsaur‭  ·  last activity 7y ago by Andsaur‭

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Q&A How to evolve blue skin?

So, I understand that human skin color is based on the distance from the equator, but would it be possible to evolve skin to be a non-natural color such as green, pink, blue, purple, ect? Perhaps i...

8 answers  ·  posted 8y ago by jeln‭  ·  last activity 7y ago by jeln‭

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Q&A What could cause alien civilizations to be stranded on earth?

I'm not talking about a single alien civilization that is stranded on earth, I'm talking about multiple civilizations that will cause major overpopulation on earth. So this means that the civiliza...

7 answers  ·  posted 7y ago by genfy‭  ·  last activity 7y ago by genfy‭

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Q&A How Could an Alien or Superhero Increase and Decrease Their Hearing at Will?

Would it be possible for an extraterrestrial humanoid or superhero to increase and decrease their hearing at will, and if so, how? I'm thinking specifically of an alien who can somehow adjust their...

5 answers  ·  posted 7y ago by C. S. Wright‭  ·  last activity 7y ago by C. S. Wright‭

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Q&A From scratch measurement units

An exploratory spaceship holding strangers from many cultures and races has a problem leading to escape pods being deployed to a nearby world that is conveniently survivable. The pods crash land in...

9 answers  ·  posted 7y ago by Darkhorse‭  ·  last activity 7y ago by Darkhorse‭

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Q&A Is this kind of lifeforms and ecosystem on Enceladus plausible?

So in my world of Horizon, there is a sentient species known as the Jar'keth that lives in the inner ocean of Enceladus. They resemble a mix between eels and catfish, and are slightly smarter than ...

2 answers  ·  posted 7y ago by Nuclearwalrusnetwork‭  ·  last activity 7y ago by Nuclearwalrusnetwork‭

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Q&A Planet with everything laced with codeine

I have a story where the characters are colonists heading to a new planet. My plan is to have the native lifeforms be descended from a single celled lifeform on a comet that shares a common ancesto...

2 answers  ·  posted 7y ago by Ettina‭  ·  last activity 7y ago by Ettina‭

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Q&A How would an intelligent civilization evolve in the floor of a deep ocean world?

Defining what is a super intelligent civilization: An industrial civilization that invest on scientific progress and that builds and manipulates computers, robots and nano-machines, has effi...

9 answers  ·  posted 9y ago by Victor Stafusa‭  ·  last activity 7y ago by Victor Stafusa‭

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Q&A Can a Vertebrate have an Assassin bug-like Proboscis?

One of the strangest and most effective weapons in the wonderful world of arthropods in the proboscis of the famed assassin bug, with even the head of the insect working as part of the weapon. T...

4 answers  ·  posted 7y ago by Uncle Tres‭  ·  last activity 7y ago by Uncle Tres‭

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Q&A Would we be able to hear aliens talk?

If we were to encounter alien species of, lets say approximately the same size as us, would there be any reason to expect them to communicate in the same frequency ranges as us? Human beings have ...

3 answers  ·  posted 7y ago by Andrey‭  ·  last activity 7y ago by Andrey‭

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Q&A Could intelligent life on Earth have been seeded by precursor aliens?

This idea comes up quite frequently in science fiction, but there has not been a question about it yet on Worldbuilding.SE. Is it possible that intelligent life was brought to Earth by an alien ci...

5 answers  ·  posted 9y ago by bazola‭  ·  last activity 7y ago by bazola‭

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Q&A How to make interplanetary communication infrastructure for aliens of Earth without knowledge of humans?

Plenty of aliens from various galaxies have managed to land on Earth without getting tracked on Radars or satellites. For now, as I want my story to stay undisclosed, please assume that aliens have...

4 answers  ·  posted 7y ago by Karan Desai‭  ·  last activity 7y ago by Karan Desai‭

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Q&A How do I recover an incoming Voyager 1 probe?

I just detected a strange object in space, and it appears to be of alien origin! Telescope readings seem to indicate it is some sort of deep space probe, with a golden disk of some sort attached to...

6 answers  ·  posted 7y ago by user371366‭  ·  last activity 7y ago by user371366‭

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Q&A Would a 2 thumbed hand increase grip significantly?

My generation ship aliens have 2 thumbed hands. No, not the 2 thumbs on the same side that some humans have but the 2 thumbs on opposite sides. So it would be kind of like this: Except more rept...

6 answers  ·  posted 7y ago by Caters‭  ·  last activity 7y ago by Caters‭

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Q&A How large would an artificial object need to be for us to detect it near Proxima Centauri

4+ light years away, aliens living on Proxima Centauri B have space travel and incredible technology, but are not interested in traveling out of their system or in returning our radio-babble, rathe...

4 answers  ·  posted 7y ago by Mikey‭  ·  last activity 7y ago by Mikey‭

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Q&A Technological Advancements of a Hive-Mind

I'm imagining an intelligent race of beings with only one major difference from humanity: that they share one mind. Biologically speaking, they're identical to humanity, and their world is, by all...

5 answers  ·  posted 7y ago by A. Forty‭  ·  last activity 7y ago by A. Forty‭

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Q&A Alien Griffin Design

Another question for my comic: my friend has made a demand that I give one of her characters a flying mount, preferably griffin-like. I have some designs but I want them to be plausible: How bulk...

4 answers  ·  posted 8y ago by XenoDwarf‭  ·  last activity 7y ago by XenoDwarf‭

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Q&A How could we clone an alien?

Let's assume that sometime in the next year, we receive a transmission from deep space containing what appears to be blueprints of an alien genome. After extensive study and determining that the da...

3 answers  ·  posted 7y ago by Z.Schroeder‭  ·  last activity 7y ago by Z.Schroeder‭

Question aliens cloning
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Q&A Could a human engineer comprehend alien electronics?

Let's say a human engineer comes across an alien electronics lab. It occurs to me that electrons are electrons, if the aliens are at a similar state of development to us then at least the simples...

16 answers  ·  posted 9y ago by Amziraro‭  ·  last activity 7y ago by Amziraro‭

Question technology aliens
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Q&A How might a lost alien re-connect to a hidden secret base

In an earlier question I shared the idea of Bill, the stranded alien that has a challenge getting the attention of local humans because he's the size of a mosquito. He needs to re-establish contac...

3 answers  ·  posted 8y ago by JDługosz‭  ·  last activity 7y ago by JDługosz‭

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Q&A Ways to make contact with aliens on a much larger size scale?

One answer to the question of "Why don't we see any aliens?" prompted me to consider: The computer was a comparatively simple design, what the natives would call "single core" Von Neumann arch...

9 answers  ·  posted 8y ago by JDługosz‭  ·  last activity 7y ago by JDługosz‭

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Q&A Is it a reasonable idea that malnutrition can cause insect or other similar types of aliens to lose limbs?

In the creature type I asked about in my last question, there are some lower caste members who seem to have metal limbs. However I don't think they would waste resources to build the legs for lower...

6 answers  ·  posted 8y ago by LucineAura‭  ·  last activity 7y ago by LucineAura‭

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Q&A What would cause male and female insectoid aliens to become highly dimorphic and live in different environments?

Something I was working on in the past involved a species of sentient insectoids. The idea was the two sexes usually live in two very different environments and rarely come into contact with the ot...

3 answers  ·  posted 7y ago by king of panes‭  ·  last activity 7y ago by king of panes‭

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Q&A What type of food might an organism that lives its entire life in interstellar space eat?

I was thinking of an organism that lives its entire life in interstellar space It eats, defecates, moves, grows, ejects eggs, attracts mates, and has sex in interstellar space. It has skin that p...

13 answers  ·  posted 8y ago by Anders Gustafson‭  ·  last activity 7y ago by Anders Gustafson‭

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Q&A Anatomically Correct Xenomorph

Xenomorphs are one of the most dangerous, deadly aliens in movie history. They breed in massive numbers, live in an ant-like society, and have blood that doubles as concentrated acid. Most of tho...

2 answers  ·  posted 8y ago by Uncle Tres‭  ·  last activity 7y ago by Uncle Tres‭

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Q&A Would it be possible for an alien species to eat metal?

I have devised an alien species for a universe I am working on. They originate from the same planet as my high-pressure creatures (What would happen to a high-pressure creature in a low-pressure at...

2 answers  ·  posted 8y ago by IJoinedCozIcan‭  ·  last activity 7y ago by IJoinedCozIcan‭

Question biology aliens
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Q&A Alien Species Native to a Desert Planet

I'm writing a book about a man traveling on a Desert planet (colonized) and I need help with some of the species he might encounter there. I'm focusing on animals right now. I need to know what ada...

3 answers  ·  posted 7y ago by BlippThePanda‭  ·  last activity 7y ago by BlippThePanda‭

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Q&A Lifeform - resistant to gunfire but vulnerable to melee

Is there a plausible makeup for a lifeform which is highly resistant to even very advanced firearms (or any ranged weaponry for that matter), but can be injured more readily (albeit still a major f...

25 answers  ·  posted 9y ago by System‭  ·  last activity 7y ago by System‭

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Q&A What if Earth was eaten by a giant slow moving alien creature?

I'm coming up with a science fiction world for an assignment. Would it be possible for a planet like Earth to be eaten by a giant alien creature that moves through space at a relatively slow speed...

3 answers  ·  posted 9y ago by Mary‭  ·  last activity 7y ago by Mary‭

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Q&A How would a Parasitic race of aliens travel from Planet to Planet?

Recently I've been creating a race of parasitic Aliens that eat entire Solar systems. So basically, the alien queen arrive's on a planet or moon that exists inside of a solar system. Then the queen...

3 answers  ·  posted 7y ago by Jason Ulrich‭  ·  last activity 7y ago by Jason Ulrich‭

Question space aliens
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Q&A The Alien perspective - generating alien POV characters via twists on human psychology

TL;DR: suggest human traits of mind/society that one should (a) tweak (b) leave well alone, in order to generate an alien worldview that allows a novel length tale to be told purely from perspectiv...

4 answers  ·  posted 8y ago by rumguff‭  ·  last activity 7y ago by rumguff‭

Question psychology aliens
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Q&A What conditions are believable for a racial society majority to accept a racial minority, and those to reject them?

What conditions are believable for a racial society majority to accept a racial minority, and those to reject them? I have two races. One is a racially pure majority and the other is a mixed breed...

3 answers  ·  posted 9y ago by linuxfreebird‭  ·  last activity 7y ago by linuxfreebird‭

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Q&A How would digestion work for an alien species with a diet of minerals?

If an alien species ate minerals (aka a lithovore species), how might their bodies differ from ours? How would they eat/digest the materials? Do those answsers change if they eat substances like di...

2 answers  ·  posted 7y ago by daisydaisyg‭  ·  last activity 7y ago by daisydaisyg‭

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Q&A How could an organism move through space freely without the use of technology?

The organism is human-like in that it is intelligent, sentient, and has a humanoid figure. On its planet, the species has access to a massive source of organic energy unlike anything on Earth. Esse...

2 answers  ·  posted 7y ago by daisydaisyg‭  ·  last activity 7y ago by daisydaisyg‭

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Q&A Sunshade communication?

Imagine we have a shade launched in space that can be turned opaque and transparent. We can use it to communicate in binary, and mathematically sound extraterrestrials can pick up the pattern. Of c...

2 answers  ·  posted 7y ago by jhgjmhgvjhg‭  ·  last activity 7y ago by jhgjmhgvjhg‭

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Q&A Alien message: "Invitation"

A message arrives from several light years away. It is a complete prepared document, not a two-way communication. The document can contain line-drawings and diagrams, both 2D and 3D, plus movies ...

7 answers  ·  posted 7y ago by JDługosz‭  ·  last activity 7y ago by JDługosz‭

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Q&A What element would the hemoglobin content of methane-based life use?

So to start, let's assume that this hypothetical life form relied on something similar to LNG (liquefied natural gas) - mainly relying on ethane - as a solvent in the same way humans rely on water....

1 answer  ·  posted 7y ago by Wildcat‭  ·  last activity 7y ago by Wildcat‭

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Q&A "Alien" superintelligence learning human languages

A quote from Story of Your Life (the short novel that Arrival movie is based on) Colonel Weber frowned. "You seem to be implying that no alien could have learned human languages by monitoring o...

5 answers  ·  posted 7y ago by Lupetto‭  ·  last activity 7y ago by Lupetto‭

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Q&A How can I communicate with a collective consciousness?

A world, I am building, had been flooded, causing a species of fire ant that makes ant rafts to evolve a collective behavior, ditching anthills and becoming an ant-hill (I'm not sorry). Over thousa...

3 answers  ·  posted 7y ago by Uncle Tres‭  ·  last activity 7y ago by Uncle Tres‭

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Q&A How would first contact be with "post-organic" aliens?

Let's imagine that on some planet some clever critters create an AI. Now lets say that while this AI does respect some of the ground rules that were put in place for it, it nevertheless finds nume...

1 answer  ·  posted 7y ago by AngelPray‭  ·  last activity 7y ago by AngelPray‭

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Q&A Would an alien forest look similar to some of our own?

To elaborate on the title, can alien plant life on an Earth-like planet look similar to ours, or would plants on an alien planet be radically different, unrecognizable, or incomparable to Earth pla...

3 answers  ·  posted 7y ago by Z.Schroeder‭  ·  last activity 7y ago by Z.Schroeder‭

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Q&A Limit to digestion and long term energy storage?

I've created a species that, instead of eating multiple times a day like us, eats one tremendous meal and survives off of the fat stores for long periods of time. My question is about feasibility....

2 answers  ·  posted 7y ago by Gaius The Observer‭  ·  last activity 7y ago by Gaius The Observer‭

Question biology aliens
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Rigorous Science Is an alien race like the Zerg from Starcraft feasible?

A good summary of the Zerg race is given on wikipedia as follows: The Zerg are a collective consciousness of a variety of different races assimilated into the Zerg genome. The Zerg were origina...

2 answers  ·  posted 9y ago by Notaras‭  ·  last activity 7y ago by Notaras‭

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Q&A Subsurface alien life on Titan moon

Is subsurface life possible on Titan (Saturn's moon) ? Temperatures on the surface are way too low to sustain any life (<-150 degrees Celcius) but since there is some tectonic activity, I was w...

2 answers  ·  posted 7y ago by Fred‭  ·  last activity 7y ago by Fred‭

Question aliens life
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Q&A My generation ship aliens: Plausible development?

Development The females ovulate on average 5-15 eggs per cycle. Unfertilized eggs get reabsorbed and fertilized eggs start developing a shell. The shell takes 2 weeks to fully form. Once all the f...

3 answers  ·  posted 7y ago by Caters‭  ·  last activity 7y ago by Caters‭

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Q&A My generation ship aliens: Nocturnal and Diurnal plausible in same species?

Diurnal vs Nocturnal These aliens have genes that influence whether the alien will be diurnal or nocturnal. Hatching time also influences this. Genetics: DD - Diurnal NN - Nocturnal DN or ND -...

2 answers  ·  posted 7y ago by Caters‭  ·  last activity 7y ago by Caters‭