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It provided a great deal of evidence that water existed on Mars in the past.
the mars rover Spirit found water or ice on Mars
water and life forms
Yes they are. Here are the two Mars rovers who is looking for life on Mars, Curiosity and it's unnamed twin rover which going to be launch in 2020. Others say that other Mars rover like Spirit and Opportunity is looking for life, they are not looking for life. They are looking for water. Curiosity is the only rover who can look for life on Mars.
there is only one mars rover and NASA invented the mars rover.
NASA photographs of Mars are the best evidence that water has been flowing on Mars recently. During warmer periods in Mars' atmosphere, the photographs show streaks that look like streams. Scientists agree that this is evidence of water on Mars.
Earth and Mars
The Rover mission confirmed that Mars once had liquid water on its surface.
explore terrain and look for water
The US built the Mars Rover
The Mars Rover was not discovered it was invented.
The mars rover was invented at Nasa.