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Let's break this down into the individual requirements. The moon would be 12000 kilometers wide, so it is big enough to have its own small magnetosphere. That's nearly twice the diameter of...
From my understanding of geology, the answer is Yes. This is, of course, discounting anything to do with maintaining the facility over such a time period. The biggest issue that I can see is plate...
After reading Cort's impressive answer; I'd offer an alternative, to "nearly" perfectly sealed. Construct a cover that fits over the ship; as close as possible with the constraint of being only two...
Most of the answers above suffer from two problems: possibility for infection, and that they're permanent. If you don't care about that, fine, but if you do, let me offer an alternative. Cochlear ...
Most likely not. Like our own transistors in real life, Human neurons have already evolved to the very edge of being as small as they can be and still function without being overwhelmed by electric...
Is it possible that in our solar system or galaxy there is such a civilization so higly developed that we are "ants" unable to even be aware of their presence, in this very moment? Yes...
There's a really simple solution here that I'm surprised nobody has touched on. You simply have it in really northern or southern latitudes, and have the planet have a minimal axial tilt. Orient t...
Shape the ship! Make it like a needle, with a very long (mile long) prow. Various materials are harder than diamond (See Here), I would suggest something like #1, carbyne, at 200 times the strength...
The formula for the time a body $B_1$ orbiting another body $B_2$ of mass $m_2$ will become tidally locked to $B_2$ is (see Gladman et al. (1996), Equation 9) $$t=\frac{\omega a^6I_1Q}{3Gm_2^2k_2R_...
I upvote a4's wormhole tech; but note that a wormhole could be small enough (atom sized or molecule sized) to just let a stream of photons through. In such a case, the visor is just a regular LCD ...
Maybe if the magic/technology let them move the orbit out a ways during the red giant phase, and then in much closer as it became a white dwarf
It provides a social life, and people enjoy doing things and doing them together. The product is not the point, producing it is the point. Sure, my wife could get a robot to tend her garden perfect...
You are mistaken about autism; my grandson has it. He has no problem with memory at all; in fact one aspect of his autism is difficulty in learning language (he did not start speaking until about 4...
OP Q: just how much processing would be done on the mining planet before the end result is shipped back to the homeworld? Presumably all of it; to reduce both the size and mass of the "end res...
Mice may already be "sentient", meaning self-aware and reasonably intelligent. They show Empathy. Here is more info on the sentience of mice; it is from PETA, but what they are showing is all pro...
Like Humans Are: I'd expect them to be rather weak and inept in the wild, former prey for bigger, stronger, more vicious animals, big brained that gained their dominant status through better insigh...
Yes. But it might not be satisfying... In particular, you can have two co-planets orbit each other (by all rights the Earth Moon system should be considered co-planets; the Moon is larger than mos...
+1 to AngelPray comment. OTOH, if as specified it is just a sped up version of the normal healing process; then things like amputation and other surgical changes will still work, the doctors just n...
The number of moons Sean Raymond wrote a great answer to a similar question, and I'd like to base my answer on his. He used the following technique to estimate the total number of moons orbiting a...
Asteroid Laser Ablation is a related technique, where a set of lasers heats up part of an asteroid, applying a torque that can change its orbit and (hopefully) send it moving away from Earth. Looki...
I upvote some of the above. One answer not mentioned: ensuring there is nothing wrong with the star. I presume a galaxy spanning civilization knows a great deal more about stars and how they work ...
I'd also say, the answer is No, "without being addictive, at all," is impossible because everything pleasurable is addictive. We have sex addiction, food addiction, exercise addiction, porn addicti...
My presumption is the "radio" is like a real radio and translation is accurate and effectively instant: There is no significant delay. I presume the planet is normal, rotating (not tidally locked),...
What could nature throw into the mix to make intelligence or technology an evolutionary disadvantage? Starvation, and/or an easy life. Brains are extremely expensive; they consume 20% of your...
Every problem is also an opportunity. Getting resources into space is expensive. Mining asteroids is cheaper, but still not cheap since you have to get the resources from the asteroid belt, resourc...
