we may be ok for the next ~50 years (but i have my doubts, and i really don't think we will ever get much out of earth orbit), but a million years? i don't thin

we may be ok for the next ~50 years (but i have my doubts, and i really don't think we will ever get much out of earth orbit), but a million years? i don't think many people realise how long that is, and how we could be human at the end of it.