SUMMARY: NASA's Mars Global Surveyor has delivered a series of new photographs of the Red Planet taken in new high detail, including images of the Mars Exploration rovers. By rolling the spacecraft as it travels to match the movement of Mars underneath, NASA engineers have figured out a clever way to increase the resolution of images taken by the spacecraft. It's now capable of resolving images as detailed as half as 1.5 metres across (4.9 feet) - a threefold improvement. Mars Global Surveyor has been systematically mapping Mars since it arrived in 1999, and its latest mission extension beginning October 1 will keep it running into September 2006.

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