Observers now know there is water on the Moon, but how much? NASA's new LCROSS probe into the lunar surface will find out. Chris Lintott visits the Palomar observatory in California to witness the probe's impact, while Patrick Moore views it with friends from his home in Selsey. Can the Moon really support life?
| Name | Type | Role | |
|---|---|---|---|
| Anthony Colaprete, Pete Schultz | Guest Star |