Matt O'Dowd

Right, because you need to know the physics of everything going on.

If you miss some physics, you don't know what you're talking about.

Yeah, but you can...

And that's one image, and the southern sky is like 3,000, 4,000 of those images.

Just to be clear, the Hubble Telescope field of view is a fraction the size of the full moon.

You've been out there, yeah.

And every time you get a subfield of a subfield of a subfield.