That's the beginning of desire, that exploratory needs curiosity, discovery.

And we almost sank the ship, but I became enraptured with mounting expeditions. And over the last 49 years, I've done about 120, 121 I keep doing them expeditions.

So I'm going to concentrate on two of the most exciting stories that have emerged out of this major exploratory expedition that we are conducting around Saturn, and have been for the past two and a half years.

But we couldn't make sense of our images, until, six months after we got into orbit, an event occurred that many have regarded as the highlight of Cassini's investigation of Titan.

The table does not include the numerous whaling voyages that took place during this period, or sub Antarctic expeditions such as that of Carl Chun in 1898 99, which did not penetrate the Antarctic circle.