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I have built a star that is loosely based on a real-world star. It has the following properties: Spectral class G Mass: 1.03 M$_\odot$ Radius: 1.02 r$_\odot$ Luminosity: 1.05 L$_\odot$ Surface te...
I am working on a world (see this question) which I currently plan to have FTL via Alcubierre warp drive. I want to avoid the possibility of FTL sneak attacks so I plan on having something that pr...
Here is the situation. A planet fairly similar to Earth is orbiting binary stars, one O or B type and one F type. Sometimes the stars are close together in the sky, sometimes far apart, sometimes o...
Let's say Earth started rotation in the opposite direction without any catastrophic events, would a day on Earth be shorter or longer or just the same considering that speed of rotation and revolut...
So diamonds are the hardest natural substance, but can be broken/shattered by impacts. If a planet had a large mountain range made of diamond (maybe the size of the Rocky Mountains on Earth), wou...
Let's say that in a fictional world (the world of Heroes of Might and Magic IV in my case) the square-cubic problem of insect respiration is somehow solved, so I have giant mantes roaming the area,...
My world is covered in a black stonelike material which is similar in structure to coral, being that it's highly-porous but not formed in the same way. The (non)water on my world, which is (curren...
(edited to fix obvious confusion, as detected by AlexP) The idea is that the plane of the moon orbit is aproximately at a 90 degree angle to the plane of the planet orbit. Would that be stable, o...
Would it be possible, with genetic engineering, to create a form of tree which produces wood with the same strength/hardness as granite, capable of being used in place of stone for castle-style wal...
My question on refueling around stars got me thinking about the transit method of detecting planets and how it could be used to detect a ship whilst it is refueling (either by accident or on purpos...
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...
I am world building/culture building for a story that I'm writing and one of the races/sapient species is patterned after spiders. I'm willing to take a lot of liberties with the physiology (for ex...
Could a planet with a core of majority tungsten and cobalt with traces of gold,copper,iron and uranium be able to support life?
Our AI in question inhabits a synthetic brain housed in an organic and genetically modified human body (With a few other cybernetics). This body/brain combination was the result of a black project ...
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 ...
How can Bronze Age people make hazmat gear for chlorine trifluoride? The ClF₃ is produced biologically, just as fruits produce acid or capsaicin. This alternate world just happens to have bacte...
I'm interested in developing a world that has somewhat extreme seasonal changes (hot, but liveable summers and cold, but livable winter) with a very cold non-habitable polar regions. Would axial ti...
On the world I am building (Let's call it Bob for simplicity's sake), the days last 9 years. As a result of this, the living beings on Bob must migrate across the planet to avoid the encroaching ni...
Within our local region of space are several hundred/thousand stars. I had long ago found some pretty good resources and made a starmap (using YGraph and some star catalog datasets I got from Nyra...
So in the story I'm trying to write, I'm having trouble getting the gravity on my fictional to seem realistic, and I would like to know if it seems technically possible? A group of astronauts tra...
So the desired result is a compound that can be left in relatively isolated area, isolated such that weather has no direct affect on the area, and that will ignite/explode when touched, even after ...
A group of 35 superhumans from the future get trapped on the alternative Earth still in the Dark Ages. Banding together they take control of a small country and establish themselves up as kings and...
When building a city, one must consider why one is building a city. It's all very well imagining a city perched on top of an inaccessible mountain peak, but a believable world requires that we cons...
Previously, I asked several questions about living in a massive banyan tree whose branches were about 600 feet up. Though I can't find the comments, I was informed that there would be very high win...
Say we're on a ship traveling between the Milky Way and Andromeda. We decide to stop and take a look out our space-windows. What do we see? I'm presuming that the Milky Way and Andromeda would bo...
