Google Earth has a similar feature. I work here:
http://www.stsci.edu/
and I know people that have worked on both projects.
I think that the real legacy of the Hubble Space Telescope is not the advancements in astronomy and physics that it has made possible but in the rebirth of wonder and curiosity that has helped to bring about. A society can achieve nothing larger than its wildest dreams.
[edit - fix typo]