Conversation

The more you learn about the practical reality of space travel and read sci-fi that reflects that, the more you realize that humanity will probably never leave the solar system. Some people might make it as far as Alpha Centauri, but only on generation ships that won't ever return.

There is no other habitable planet or moon that we can reach. Anyone that tries to colonize Mars will probably die there. Earth is a very special place for us.

As the climate activism meme says, there is no Planet B