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发帖数: 1994 | 1 Night and Day in Melas Chasma on Mars
Credit: Arizona State U., JPL, NASA
Explanation: What types of terrain are found on Mars? Part of the answer comes from
thermal imaging by the robot spacecraft 2001 Mars Odyssey currently orbiting Mars. The
above picture is a superposition of two infrared images, a black and white image taken during
Martian daylight and a false-color image taken at night. For the daytime image, dark colors
mean cool temperatures, dropping from about -5 deg |
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