Posts by mjr
As title suggests, what is the size limit by volume for a rocky planet, if any? Some ideas are discussed here, but I'm wondering if there is more concrete, expert evidence to point either way. If p...
It appears that multiple planets existing in the same orbit is theoretically possible. In that case, how would we go about building a second Earth-sized planet and inserting it into some position i...
A frog has already been levitated without any magnetic object attached to it. I'm wondering if it's possible to reverse this for transportation purposes, by having a vehicle levitate itself using m...
How could an organization force solar energy to be bought from them? Something like: A large structure (in space presumably) fully/partly blocks sunlight reaching Earth, so anyone here wishing to ...