13 Quotes by Peter Schultz

The most significant finding is the nature of the surface of the comet. We now know that it isn't covered in a hard crust. It's a fine-grained, loosely glued layer of organic powder and ice. You couldn't make a snowball on Tempel 1.

So we know we're looking at a geologically active body whose surface is changing over time. Now we can begin to understand how and why these jets erupt.

Deep Impact lived up to its name and more. But there are undoubtedly more surprises to be pulled out of the treasure trove of data.

It's like a seven-acre skating rink of snowy dirt.