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Questions tagged [galactic]

For questions about galaxies (massive, gravitationally-bound groups of stars) or objects and systems that span a similarly large scale.

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4answers
195 views

What is the “fullest” the universe could be in terms of living space? [closed]

Lets take a civilization that has surpassed the type III on the Kardashev scale. It has the following assumptions: It harnesses the energy of entire Galaxies, its populace did not transcend. If you ...
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24answers
12k views

How could a planet have a sky without stars at night?

Is it possible for a planet in our part of the galaxy to have a night without stars? I'm looking for some kind of natural phenomena that would hide the stars, but allow the sun to rise and fall as ...
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0answers
50 views

Universal Intergalactic Currency [duplicate]

This might be totally opinion based but I really need all the help I can get because I have serious writers block. I’m writing a story where the world is vastly advanced, set in the 24th century and ...
14
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3answers
1k views

What would the night sky look like for a world on the upper plane of the galaxy, near its rim?

I would like to include a world in a story that is located on the upper plane (or bottom, doesn't matter, but call it upper for the sake of reference) of the galaxy. If you think of the galaxy as a ...
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6answers
1k views

How could someone ground a breathable synthetic atmosphere onto a small asteroid?

Let's say there are billions of asteroids in the galaxy, varying in size from baseballs to hunks of rock almost big enough to be dwarf planets. If someone wanted to set up a habitable location on one ...
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4answers
249 views

How well would a society 35,000 years in the future remember today? [closed]

The story is set 35,000 years after the year 2024. In 2024, Donald Trump makes fun of Kim Jong Un's stupid hair, and long story short, the Earth gets nuked to the point where everything is covered in ...
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4answers
228 views

What kind of fuel would spaceships capable of faster-than-light travel use? [closed]

In my book series, faster-than-light travel is a thing, allowing the fastest spaceships to cross a Milky-Way-sized galaxy in a matter of days. The slower ships could manage that in about 2 weeks. ...
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1answer
66 views

Could a loose galactic alliance be dismantled in a quick coup? [closed]

In my book series (link here), the planets of Aurea, Ishgabangaloodoo, and most of the eastern half of the galaxy have entered an alliance against the Tatian Empire (Caput Tatiium and most of the ...
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4answers
164 views

What would an artificial galaxy look like? [closed]

Suppose there is an advanced type 3 civilization that has the capability of creating entire artificial galaxies (this means they can create stars, planets or even black holes). But how exactly would ...
18
votes
6answers
416 views

Can my spaceship figure out its position using Cepheid Variables?

In my story, reasonably far in the future, an intrepid group of explorers are on the first manned mission to the Andromeda galaxy, travelling close to the speed of light. They slumbered in suspended ...
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2answers
202 views

Tiny galaxies with exoplanets

Segue 2 is a galaxy with only about 1000 stars and is 111 light years in radius. It has a light output only 900 times that of our sun. (This is a real galaxy in our universe) However, I want my ...
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1answer
151 views

Creating a new Galaxy entirely, or just make minor Changes to an already existing one?

I'm really struggling with making my world, so I thought I would make it broad. Is it necessary to invent an entirely new galactic system for the sake of originality, or is it acceptable to write ...
8
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2answers
286 views

Galactic Calendar System

In a galactic civilization with multiple races, what would be an ideal calendar system that everyone could use? FTL travel is possible (please no answers involving the implications of FTL, for the ...
1
vote
2answers
289 views

How long would it take to set up a galactic government [closed]

Let's assume that the Alcubierre drive has been created, and there are no problems with it, such as energy requirements or time dilation. The human species is united in a planetary government. ...
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1answer
110 views

Cross Galaxy Shared Information Through Internet

In a galaxy where humans started colonizing it, assuming internet and databases are still the way which these humans are using to save/monitor data of the systems they need to sustain their ...
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4answers
151 views

What's the most efficient way to keep everyone informed intergalactically? [closed]

Everyone knows that news is important and communication,l too. Let's say, we, the Milky way, and we, the Andromeda are to communicate ~real-time and be informed (news), what's the most efficient way ...
1
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3answers
240 views

Spherical shape Galaxy - Is it possible or not? [closed]

can galaxies exist in spherical form? If yes, can you tell me how is it possible and whats the size limit of such galaxy If no, what is the reason it can't form spherical shape? BONUS: How will you ...
0
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1answer
5k views

Star System/Galactic Map Creator?

I was wondering how people generated star maps/galactic maps for their world, I've been struggling to find any tools. Thanks!
7
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4answers
477 views

Life on planets near quasars

To be very-very simple: The very main setting of my world is a very special and very small galaxy, the galactic core of which is a quasar - with the "iconic" light beam in the middle, serving a ...
69
votes
18answers
12k views

Where should a galactic capital be?

I'm creating a full-fledged galactic republic, in a galaxy not so very different from our own. It's designed to encompass the majority of the stellar systems in the galaxy, including some of the ...
0
votes
1answer
317 views

Fantastic beasts and where to find them: galactic edition [closed]

Far in the future, when we have the resources and ability to travel all over the galaxy, we will, no doubt (hopefully), finally encounter alien life. The chances of us being the only planet with ...
11
votes
3answers
574 views

Where in the galaxy would one find the most heavier elements?

I'm trying to flesh out the history of a fictional galactic society, specifically the initial settlements and inhabited worlds. Something that I thought would be important to settlers would be an ...
13
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6answers
774 views

What would a galactic Empire based off Plato's Utopia (from his “Republic” and “Laws”) be like?

What would a galactic Empire based off Plato's Utopia be like? The government of Plato's Utopia was designed for a city-state at the time of the Bronze Age. But what if you upscale it to a galactic ...
16
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4answers
2k views

What would happen if the black hole at the center of a galaxy was removed?

Say you have a galaxy, possibly ours, with a central black hole. In an instant the black hole falls through a plot hole and vanishes. What happens to the rest of the galaxy? Does everything keep on ...
14
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8answers
4k views

How could a galactic empire work?

It was pointed out here that the speed of light is a huge issue for any government that spans multiple stellar systems. The consensus seemed to be that it is very difficult to make large empires work. ...