A NASA spacecraft has taken its 100,000th picture of Mars, far eclipsing the photographic bounty returned by any other mission to the Red Planet. Scientists received the image from NASA’s Mars Global Surveyor on Nov. 5, nearly five years to the day after the robotic satellite was launched. No other spacecraft has taken as many pictures of Mars. NASA’s twin Viking orbiters have come the closest, returning a total of about 55,000 images of the planet between 1975 and 1980.