Questions tagged [supernova]
Use this tag for questions about a supernova: a massive explosion emitting light, heat and radiation that occurs when some stars die.
34
questions
6
votes
3
answers
789
views
How would life on a planet perceive gamma radiation from a supernova explosion?
There are many articles on the web about cosmic events that would wipe out life on Earth, supernova explosion being one of the most prominent ones. Gamma radiation is said to hit Earth, strip the ...
1
vote
0
answers
96
views
Can a relatively small addition of matter to a small volume of a star turn it into a supernova? [migrated]
Can a relatively small addition of matter to a small volume of a star turn it into a supernova?
The rate of fusion in the CNO cycle increases very rapidly with increasing temperature, as shown in the ...
- 117
4
votes
4
answers
2k
views
Frozen Star- Red dwarf goes supernova, just because I froze it?
So as I mentioned in my previous question in the series, the parent red dwarf star of a one-planet system, Eridanus, has frozen over due to an unknown reason. By a "frozen red dwarf star", I ...
- 3,422
8
votes
10
answers
3k
views
Could a supernova powered starship work/survive?
As in, it forces the star to undergo rapid nova/supernova by contracting the star. It then redirects the force of the nova/supernova out the back end, via ricocheting the force around the ship till it ...
3
votes
1
answer
180
views
How fast would strangelets travel in space?
At what speed would strange matter travel in space after being ejected from a neutron star merger? I have searched around online but I have not found an answer.
- 39
4
votes
2
answers
163
views
Ways to initiate a supernova explosion
Assume we have a star that is sufficiently massive to end its life in a supernova. Also, said star is currently fusing heavy enough elements that, under normal progression, it is within less than 200 ...
- 141
5
votes
1
answer
162
views
What is a safe distance from a stellar nursery and what will it look like from that distance?
I was designing an arrangement of megastructures which would be hidden within a nebula but for those in the know it would be big location pointer and I have gone for a molecular cloud based on the ...
- 830
5
votes
1
answer
112
views
Iron meteors coming directly from a core collapse supernova explosion
I want my world to be bombarded, at a certain point of its history, by a meteor shower of iron meteors.
While analyzing the recovered samples of the meteor showers, the local scientists find proof ...
- 294k
11
votes
3
answers
2k
views
Could a dyson sphere survive a supernova?
So, a civilization built a massive Dyson Sphere around a supergiant star. As the star ages, it begins to fuse iron. At this point, the force of radiation pressure cannot prevent core collapse, and ...
- 1,019
4
votes
2
answers
246
views
Living on a planet years before a supernova
A planet is orbiting an old star that is on the verge of going supernova. The planet is colonized, so there's no need to worry about the habitability of the planet or evolution of life during the ...
- 41
10
votes
3
answers
710
views
What would happen to a gas giant during a supernova?
Fairly straightforward question. Imagine a gas giant planet, like the size of Jupiter, in orbit around a massive star. The star goes supernova.
What happens to the planet? Is the energy of the ...
- 321
6
votes
1
answer
290
views
What are the effects of a nearby supernova on a young solar system?
I'm building a S-Type binary system where the primary star is a black hole. Yet the system formed as a O + K-Spectral class binary and the 20 solar-mass O giant went nova 2,7 myr after both the stars ...
- 17.1k
1
vote
0
answers
83
views
Could you disrupt the gravity of a black hole using quadrillions of supernova explosions? [duplicate]
For context, I’m planning a novel with as much ridiculous magic as ridiculous science so, yes I know, it’s impossible but that's the fun of mixing science and magic in worldbuilding.
So the situation ...
- 11
1
vote
1
answer
164
views
Is there a formula for scaling explosive detonation velocity? (Supernova level) [closed]
For context, I’m planning a novel with as much ridiculous magic as ridiculous science so, yes I know, it’s impossible but bear with me.
There is a supermassive black hole that weighs 1 trillion solar ...
- 11
14
votes
4
answers
598
views
Navigating storm fronts in space
Storm fronts — especially surprise storm fronts — are a popular Sci-Fi trope. Ion storms and radiation storms and neutronic storms and they invariably look 2D, like ribbons in space. But ...
- 128k