Astronomy update

Checking in on the Mars Rover and Cassini sites, it appears that things are still going pretty well. Today is the day Cassini approaches Titan, in about an hour from now we'll have the playback. A fun example of event horizons, actually--the event has already happened but we won't know anything about it until radio waves travel from Saturn's orbit to here...

Both Spirit and Opportunity were guaranteed for 90 days. Spirit's passed 200 days beyond that limit, and Opportunity is not far behind. I'm reminded of Voyagers 1 and 2, which were doing science for years beyond their theoretical limit.