3 ms·
We're only about 5.5 billion years away from intelligent species being either very common in this galaxy, or completely nonexistent. Which is to say that we ne
by logfromblammo 8y ago
We're only about 5.5 billion years away from intelligent species being either very common in this galaxy, or completely nonexistent.
Which is to say that we need to start building interstellar transport vessels soon.