(Program 4 in the "To Mars with MER" mini-series)
Target: General Audience
Length: 60 minutes
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"Mission success" for the SPIRIT rover officially came on April 5, 2004, with operation on Mars for "90 sols", as a martian day is known. Success for its twin, OPPORTUNITY, came in late April, 90 sols after its landing on January 25. The two rovers have revolutionized our understanding of Mars.
This program was first broadcast on NASA TV Education File Schedule May 7, 2004.