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After a long forgotten apocalypse, humanity struggled to rebuild itself, so of course, no one has been in outer space for over half a Millenia. In the early days after the cataclysm, newly formed f...
I want to build a world where one planet could be visible from the sky, day and night with the naked eye periodically (like Earth's moon behavior) and not everywhere at the same time (since my worl...
For a world I am working on humans managed to create a race of demi-human cat people. These people where tradionality treated as slaves/property but have in recent times been gaining some degree of...
A disclaimer: There is a lot of real Science involved. Imagine a world which is exactly a copy of Earth (at least in terms of power as a species and technology). There is a company that aims to m...
So I was reading this article recently, titled Stellar Outburst Brings Water Snow Line into View: http://www.eso.org/public/news/eso1626. In short it's about a protoplanetary accretion disc around ...
I would like to know how possible/plausible it is that any space agency could spot an object larger than our sun, that doesn't reflect light, heading towards us in time to give us somewhere around ...
If we had an earth like planet except it had a 50 - 100 percent bigger radius than our earth what are some ways that it could have have similar gravity when compared to our own planet? P.S. Atmos...
My question involves the earth being blown up using theoretical dark energy. In this scenario, the crust and mantle are destroyed by precisely placed weapons so that all that remains is the core. W...
I've been wondering about insular dwarfism, and would like to know if it only affects certain animals (Since some animals grow larger upon colonizing an island, often due to the absence of predator...
Asked a similar question before but didn't think it through and mangled it. Anyway would it be possible to build a structure between two star systems? Basic scenario is that you have two stars su...
Not an astronomer (obviously), but had a curious question. Is it possible to have a planet such that: Its star is right on the edge of a nebula The planet happen to be in the goldilocks zone and ...
So essentially in my story, aliens put something around the sun that doesn't stop all the light from it hitting Earth, but only some of it, effectively dimming the light without outright extinguish...
I have a binary star system and have come up with some stats for it. My primary star is an F-type, with a mass of 1.3 sols and a luminosity of 2.197 sols. My secondary star is a K-type, with a mas...
I'm trying to figure out whether spacecraft could see explosions occurring on the surface of a planet, or under what conditions they could. To be specific: Given a spacecraft equipped with a dupl...
I've been trying to create a water planet with certain aspects. I wanted it to have a breathable atmosphere and to be a microgravity environment. I'm developing humanoid characters that can breathe...
From a climatic point of view, what if Earth went through a radical polar shift that would place the geographical pole right where the Himalayas and Tibetan Plateau are? (No matter if southern or n...
...and while I'm at it: You've another 47 seconds to finish up and get back here before I gotta throw her in reverse... Acting Navvy on the Marube @63kph and ~4km distance from a forthcoming t...
And I mean only making the moon orbit the Earth faster: no change in distance from Earth required. Is such a thing possible?
I'm currently working on a conworld that has never had any contact with Earth, and I'd like to create words for iconic gemstones, such as rubies, emeralds and sapphires. However, I can't help but ...
One of the worlds I'm creating has a planet-wide communal sentient Biosphere (similar to Avatar). They have evolved the ability to bio-engineer whatever they need, and they have decided to send a p...
It turns out that a single strand of human hair measures 17 to 181 millionths of a meter wide. But anyone who creates or reinvents a fictional species of humanoid has the freedom to change the dim...
Premise: bio-tech golden age where "wetware" is the new IT meta, organic AI that can interface with our standard computing technology. In this context, I'm imagining a future technology that woul...
First of all: I don't think that diamond is a good material to use. It isn't even really resistant to pressure. So... it's a stylistic choice and of course I want to know if nature could be this cr...
I'm creating an Alien race based on Silica-Quartz crystals. While their planet is inhospitable to humans, the tectonically and volcanically active surface has created an abundance of crystalline fo...
The story My hero is an average European city boy of the 21th century. Eighteen years old, doing a bit of sport, eating well, with a job that doesn't require much physical efforts. He would appear...
