Rocks at rover site 'spectacular'
10 August 2012 Last updated at 22:39 BST
The geology at the Curiosity Mars rover landing site has turned out to be everything the mission team wanted, says Nasa project scientist John Grotzinger.
The vehicle touched down inside a deep depression called Gale Crater, which has a 5.5km-high mountain at its centre.
Prof Grotzinger spoke to our correspondent Jonathan Amos about his first impressions of the touchdown location.