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Worldbuilding

Questions tagged [space-travel]

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For questions about the process of traveling through space, including in orbit around a planet or moon. Consider also [spaceships]. See also the tag information (click "info") for more details on when this tag applies.

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3answers
192views

I'm talking about something like this:With a rotating skyhook similar to this, but slightly more advanced, the kind where the tip "slows" down enough so that it is stationary relative to ...
7votes
1answer
3kviews

BackgroundFar future humanity has set its sight on widespread inter-galactic colonization. Due to advancements in a variety of technologies, the ability to move at an arbitrarily high fraction of the ...
6votes
9answers
2kviews

I’m going to write a Sci-fi where blood offerings are required for hyper speed space travel.Space travel is obtained by offering the blood sacrifices to an alien race whose mass is so thin, they are ...
2votes
1answer
180views

SettingA being in my world can control and call meteorites from the asteroid belt down to earth. These rocks get slowed down via magnetic influence that this being can emit with precision, as to not ...
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-4votes
2answers
255views

SettingIn my world there is a being that has the ability to call down asteroids from the asteroid belt. When he initially calls the asteroids down, they take +-30min to arrive. Before reaching earth, ...
Novantis's user avatar
6votes
1answer
431views

I have a setting where an nuclear powered space-fairing civilization (with FTL) has most of its mining done in still-forming star systems. The logic is that these systems are old enough for planets to ...
11votes
8answers
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Gravity assists allow a spacecraft to save time and propellant by flying past a planet, using the planet's gravity to exchange momentum and kinetic energy with it. The ship is accelerated in one ...
2votes
5answers
350views

I'm currently designing an interstellar spacecraft for a crewed mission to explore an exoplanet 5 light years away. I'm trying to be as realistic or scientifically plausible as possible. One of its ...
8votes
9answers
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Blogger Ray Hardgrit, in his review of the Babylon 5 episode the Parliament of Dreams, describes the data crystals depicted on the show as a "cunningly timeless storage medium" that "...
3votes
4answers
334views

I'm thinking of adding FTL travel to my sci-fi setting, but I don't want to use wormholes or any version of hyperspace. While contemplating alternatives, I remembered the book A Wrinkle In Time, in ...
11votes
10answers
3kviews

My setting is a far future, softish sci-fi with fantastical elements, but I'm still trying to keep it within the realm of possibility. Being so far in the future, I have a lot of leeway with this.My ...
20votes
13answers
4kviews

From Rome to Hadrian's wall is 1,400 miles, which at 20 miles a day would take 70 days to march, and before the opening of the first transcontinental railroad it could take 4 to 6 months (pdf) to ...
2votes
3answers
527views

Link to the previous question: Review my solar systemNow on this question I want to zoom in on Thoria, the third planet from the star and the only habitable one (for carbon-oxygen based lifeforms ...
4votes
4answers
237views

Imagine a moderately large M-Type asteroid gets maneuvered into one of the Earth/Moon Lagrange points. The asteroid has a diameter of few kilometers and a mass of a few dozen gigatons. It has been ...
7votes
2answers
284views

I am writing a story about a dogfight between multiple warp capable spaceships, in one particular scene I like to have the adversary to make an epic announcement/entrance via hawking radiation like ...
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