Their market capitalization is around $100 billion, and their ambition is even bigger. You can already manually assemble links to various real-time space missions, but a Google interface can only help.
“Google and NASA share a common desire to bring the universe of information to people around the world,” said Eric Schmidt, the company’s chief executive officer, in a statement. “Imagine having a wide selection of images from the Apollo space mission at your fingertips whenever you want it.”
http://www.sfgate.com/cgi-bin/article.cgi?file=/chronicle/archive/2005/09/29/GOOGLE.TMP