The famous Fermi Paradox is as follows: Where are all the aliens? In our known universe, there are 500 billion sun-like stars, with anywhere from 1-10 planets revolving around them. That’s anywhere from 500 billion to 5 trillion planets that could theoretically host life. Surely, some of these planets nurtured the early seeds of life, and surely some of that life developed into intelligent life. Even the most pessimistic estimate about when humans will settle other planets is a billion years. So why then, is there no intelligent life, which would have had billions of years head start on us, spread out across the universe? It would, after all,
It is possible that there are life forms spread out on many planets, however, it is strange that we have seen no sign of them. There are more pessimistic theories about why there is no sign of life, ranging from ‘all intelligent life destroys itself as soon as it can’ and the idea that there are no other life forms in the universe.
This relates to class in that it is the scientific community posing a question and theorizing about answers, while being unable to prove/support a theory.