All Questions
66 questions
7
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2
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649
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How would a civilization similar to earth develop if there were no stars at night?
Stars and constellations have been for many civilizations,sources of wonder and mystery. We look at the stars so much, that we found patterns and shapes in the stars, and used them as guidance during ...
- 173
4
votes
6
answers
1k
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A weapon to attack the Solar System
Basis
We are in the universe we call our own, on the planet we call Earth, in the physics-set and known reality we assume. There is no flat-out "magic" or other things along those lines, so ...
user14789
57
votes
22
answers
17k
views
Is there a way to create a bomb to destroy a star?
I want to create a sci-fi story, and since galactic warfare is on a larger scale, nukes wouldn't do much damage (or I wouldn't think so anyway). I would like ideas about an ultimate deterrent that ...
- 591
12
votes
2
answers
2k
views
How would the night sky appear from the inside of a star cluster?
In some star clusters, the stars are packed as densely as a light year apart or less. Many clusters do not appear to have black holes in the center, though they remain relatively stable in their ...
- 301
13
votes
4
answers
2k
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Can a star be so distant/isolated that its 'Earth' can't see other stars?
I'm putting together a scenario, where a "Sun" and some debris are flung so distant that 14 billion years after the big bang, it has an "Earth" (and maybe some other minor rocky/icy objects), but no ...
- 17.4k
3
votes
3
answers
407
views
Multiple star system near Sun: better choices
I'm looking for a star system between 15 and 36 ly from Sun with these characteristics:
composed by 2 or more stars
one of the stars should be a late G/ K type star (it doesn't matter for the other/...
- 610
14
votes
4
answers
2k
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Could two stars of equivalent mass/size form a binary system and be different colors?
I have an idea for a planet that orbits two stars. These starsslowly orbit each other, have equivalent masses/sizes, and while one is slightly red, the other is slightly blue. When I talk about the ...
- 7,026
2
votes
2
answers
309
views
Could faster-than-light supernova remnants form a star system?
Most current planets, and any inhabitants living on them, are ultimately the product of long-dead supernovas that exploded and sent matter across the universe, where it eventually got caught with ...
- 21
32
votes
5
answers
9k
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Creating a realistic world(s) map - Stars
This Query is part of the Worldbuilding Resources Article.
This question is a sort of follow-up to Samuel's previous world map question, Creating a realistic world(s) map - planetary systems.
Lots ...
- 102k
6
votes
2
answers
262
views
Magnetic Celestial Bodies in Orbit
What would be the effect of large magnetic celestial bodies orbiting each other?
Could a star have enough metallic content to become magnetic?
What would the effect be on magnetic planets in orbit ...
- 3,683
6
votes
4
answers
697
views
Is it possible for a nebula to hide a solar system(s) from scientists here on Earth?
I'm working on a graphic novel that deals with this particular topic but I'm unsure if something like this can happen. Some Nebulae have a luminosity 1000s of times brighter than our sun while dark ...
3
votes
2
answers
367
views
What is the best way to exploit the energy from a red dwarf and send it to other systems?
Scenario:
Earth men colonized Alpha Centauri.
Barnard's Star is at range.
There is a huge fleet of fission bomb pulse propulsion cargo ships. Given Enough time and space they can reach 0.8C.
...
- 5,862
33
votes
8
answers
7k
views
Do different star systems experience time differently?
Somewhat in relation to this question - What could restrain post-singularity societies from spreading across the Galaxy?
I'm assuming not all star systems move at the same velocity in relation to the ...
- 24.3k
3
votes
3
answers
410
views
Astronomical Phenomena that cause Tidal Waves
Suppose a world suddenly is being attacked by frequent tidal waves caused by some event in space. What type of event could have caused this?
Any side effects caused by the event, such as the release ...
- 349
21
votes
5
answers
3k
views
What kind of star should I use for my world?
If I want an Earth-like planet, what kind of star can I use to achieve that ?
According to the Harvard stellar classification, our Sun is a G-class star.
The best would be to have:
Temperature ...
- 16.9k
27
votes
5
answers
2k
views
What physical and social effects could two stars cause?
Suppose a planetary system works in such a way that there is a rotating planet in the direct centre of a binary star (the star system's centre of gravity, also known as barycenter), such that the two ...
- 958