As for

the real rovers traversing Mars some 300 million miles from
Earth, Spirit and Opportunity have made extraordinary discoveries and
found important clues to a watery past on the martian surface. The
Spirit rover is driving toward the "Columbia Hills," and Opportunity
has been making close examinations of a martian rock known as
"Bounce" before moving toward Endurance Crater.

For information about the latest developments on Mars and Disney's
"Mission: SPACE" attraction on the Internet, visit:

http://www.nasa.gov/vision/universe/solarsystem/mer_main.html