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Results tagged with cataclysms
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user 264
For questions about an event that causes a major disruption in a world or area.
1
vote
What cataclysm could make an entire interstellar species extinct?
How about something that doesn't wipe them out?
Imagine a society that for some reason eschews the genetic manipulation they would be capable of--it's so anathema that the technology is not ever deve …
- 31.2k
1
vote
How to wipe out humanity within a week?
I wouldn't rule out plagues. Yes, no plague has ever been that catastrophic but that doesn't mean it's not possible. While no such thing could occur naturally (there's nothing close in nature) it co …
- 31.2k
19
votes
If all natural sources of oxygen production stop, how long do we have?
The limiting factor on survival would be food. No photosynthesis = no plant growth = no new food. The world very soon turns into the Rwandan genocide + cannibalism. Even with full recovery of the b …
- 31.2k
3
votes
What event would kill most of the worlds population at the SURFACE, but spare everyone at th...
Two alien races have been duking it out between the stars. The difficulty of moving things between the stars has caused this war to strongly favor the defense, hence it has become a war of stealth ra …
- 31.2k
0
votes
What kind of catastrophic phenomena could cause a solar system to be wiped out with little t...
No boom can make this happen.
You're talking about planets, "reduced to rubble" doesn't make much sense. By very definition planets aren't held together structurally (the definition requires them to …
- 31.2k