How to pronounce “oort cloud” in English

And then the Oort cloud, I didn't know this before I started working on Rosetta, is much further out.

And then you've got the Oort cloud, which is this huge cloud of mostly empty space.

And we always talk about Oort Cloud comets and, neato, we have what we call long period comets, which are these comets that come into the inner solar system

So the way we know the Oort Cloud is there, partly because we have to balance out the mass of the solar system somehow.

And then we move out to the Oort Cloud.

And then the Oort Cloud, it would take another two years to cross probably or something like that, so-- Exactly right.

And for instance, what is a an Oort cloud?

And I was fascinated to learn when I did a few years ago that the Oort Cloud is not proven.

It gets to the near edge of the Oort Cloud in something like 9 and 1/2 months.

And the comets exist in two main areas, the Kuiper belt in the Oort cloud.

Ideally, what we'd like to do is we'd like to go out into the Oort cloud and take one of those objects and study it.

You talked about the Kuiper belt, which is the near region, then there's also the Oort cloud, which is the farther region.

That was the thing I was fascinated-- just a little factoid I was fascinated by from your book, that the outer edge of the Oort Cloud,