화산활동 흔적 드러낸 화성
A handout picture taken from a height of 250km by Mars Express, released September 27 shows a perspective view of an area north of Valles Marineris September 28, 2004. The images show the Ophir Chasma, a parallel valley to the north of the Valles Marineris. The sedimentation and morphological shap…
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04-10-08 21:55