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For questions that require plausible (better than suspension-of-disbelief) answers based on Real World science that are not necessarily constrained to the known limits of Real World science. Contrast with the hard-science, science-fiction and internal-consistency tags. This tag may not be used alone. This tag may not be used with the science-fiction, hard-science, or internal-consistency tags.
5
votes
What would be the cheapest way to demolish large amounts of buildings when damage to the sur...
The cheapest way would probably be to divert the nearest river into the buildings that need to be demolished. It would take a while, but the technical skill needed to divert even a moderate sized rive …
2
votes
Microorganism chemosynthesis on an Ammonia planet
I see no particular issue why the usual anaerobic metabolic pathways found in extremophiles today wouldn't suffice. You could even potentially have photosynthesis which reduces water and nitrogen into …
9
votes
10
answers
4k
views
How would a sentient species without technology derive General Relativity?
I can expound on the specifics, but simply put my species is the only sentient one on their planet, receive their energy from photosynthesis, and are otherwise completely closed systems, recycling was …
4
votes
How far should second star be in my binary system?
Well, if what you want is two Earth-like planets extremely close together, the best solution would be to just have them both orbit one parent star in orbits at different distances. If you look at this …
1
vote
Is it possible for a planetary ring to exist beyond a planet's Roche limit?
Yes, but it would be unstable beyond about an order of magnitude greater than the roche limit. The outer edge of Saturn's rings is 8.1 roche limits distant, for example.
The reason being is as soon as …