You're assuming colonization is needed, when in reality we are just another species and are nothing to the universe on the cosmic scale. And yet, relative to the pointless wars and countless trillions spent primate-posturing, putting humans on a second floating rock is just as, if not more, sensible.
For me, it's something inspiring, a grand adventure, and may allow us to confirm the presence of life outside of our own globe. That alone would pay the cost of tickets, since shattering the illusion that our globe is the only one endowed with life by a creator, that is an outcome devoutly to be wished by rational beings.
For me, it's something inspiring, a grand adventure, and may allow us to confirm the presence of life outside of our own globe. That alone would pay the cost of tickets, since shattering the illusion that our globe is the only one endowed with life by a creator, that is an outcome devoutly to be wished by rational beings.