Re: NASA chief touts deep space exploration: We can only survive if we
And, whether we like it or not, humanity will eventually--albeit in several centuries (I hope)--realize we need to become spacefarers because our sun is running out of fuel and/or acting erratically.
We have millions of years before changes in the sun's output will become a problem. Read a book.
Baby, you and me were never meant to be, just maybe think of me once in a while...