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发帖数: 1994 | 1 Ancient Volcanos of Mars
Explanation: Findings of ancient martian microbial fossils in meteorites and liquid water
related features on Mars' surface are currently controversial issues. But one thing long
established by space-based observations of the Red Planet is the presence of volcanos, as Mars
supports some of the largest volcanos in the solar system. This synthetic color picture recorded
in March by the Mars Global Surveyor spacecraft shows two of them, Ceraunius Tholus
(leftmost) and Urani |
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