Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. The stereo perspective was created by combining images from the Mars Global Surveyor spacecraft taken on two different orbits, each with a slightly different viewing angle. Identifying corresponding smaller scale features in Pathfinder and Surveyor images will help to precisely locate the lander. Meanwhile, the line of sight between the Earth and Mars is approaching the Sun. During this period, known as solar conjunction , communicating with Mars Global Surveyor will be difficult.
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