And so talk to us about this wonderful work on Rosetta and what Rosetta

is, was then.

Rosetta is a cometary mission.

So we went to a comet, not an asteroid.

A comet is just a cool, a more cool asteroid.

Right.

more cool in what way it's actually much more temperature wise you also love them also from science it's much more cool I would claim they are roughly minus 240 degrees which is almost kelvin yeah it's 30 kelvins and They contain not only the rocks which are left for asteroids, they also have still the ice, the primordial, the pristine ice from the very early solar system.

And so if you were a young person today and you had to think about what subject to study, what would you advise young people who want to work in space because it's a hugely different