How to pronounce "survival"

We might still know what their culture was

and know more about them as a people.

By the way, this has happened before.

The Bronze Age island of Thera erupted and erased the settlement

that had been there for multiple millennia.

Now this could be self-induced,

or it could be from any number of natural causes,

like an asteroid collision,

a gamma-ray burst or a magnetic pole reversal.

It really isn't a question of if the Earth will face one of these events

that threatens our species' survival,

it's a question of when.

I hope it doesn't happen, but I'm playing the odds.

Armed with this information,

don't you think we should want some sort of insurance,

some backups to preserve humanity's shout in the universe,

to not put all of our eggs in one basket?

If we had humans on another planet or on many planets, for example,

then the survival of our species is much more likely,

even if something happens to the Earth outside of our control.

Now, a lot of people don't necessarily like what I just said,