Respuestas al mensaje #2

They are intelligent enough to avoid us.

It's because we're in a simulation. Finding other life forms is disabled in this sim.

Because there are no other galaxies or indeed planets. What we know of "Earth" is merely a prison colony, a gulag of sorts.

This is the Lolcow Planet for the rest of the universe.

Because going faster than light really is pretty hard and probably impossible to solve And they're finding out interstellar space isn't truly...

Why would there be? Because the universe is extremely large?

They're smart enough to know that communication at astronomical distances would be impossible. You couldn't even learn how to say "Hello" before...