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For questions concerning species that have settled on or near celestial bodies they are not native to and the challenges this presents.

5 votes

Can a human colony survive on a 'hot' world?

Well, they have no choice, so they have to take the heat. The component that makes peppers hot is called capsaicin. Pure capsaicin has 16 million scoville, so that's the maximum any of the plants or c …
Dorian's user avatar
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34 votes

Are generation ships inherently implausible?

Let's split this question to some parts that I deduced from your question 1. Why would anyone work on something that they will never be able to use? First, there are people who are interested in thing …
Community's user avatar
  • 1
1 vote

Why would Earth be long-term unsuitable for an advanced alien species that's already coloniz...

Long story short: From their home planet, the aliens can only determine if a star system contains a planet with liquid water and carbon occurence, but they can't see if the planet is really suitable …
Dorian's user avatar
  • 1,129