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冥王星首張特寫照 冰山清晰可見
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(法新社邁阿密15日電) 美國國家航空暨太空總署(NASA)「新視野號」太空船昨天近距離飛越冥王星,NASA今天公布這顆矮行星首張特寫照片。照片中可清晰看出,冥王星赤道附近有條冰山山脈。
2015年7月25日週六 台北標準時間上午6時06分
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This annotated image of Pluto's Sputnik Planum region identifies what appears to be flows of exotic nitrogen ice on the surface of the dwarf planet. NASA's New Horizons spacecraft took this image of ... 較多This annotated image of Pluto's Sputnik Planum region identifies what appears to be flows of exotic nitrogen ice on the surface of the dwarf planet. NASA's New Horizons spacecraft took this image of Pluto during a flyby on July 14, 2015. 較少
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SPACE.com | 拍攝者 NASA/JHUAPL/SwRI
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法新社報導,這些冰山相當於洛磯山脈(RockyMountains)高度,達3400公尺。首席調查員史登(Alan Stern)表示:「組成這些山脈的床岩可能是水和冰。」冥王星表面滿布的冰,則是由氫、甲烷、一氧化碳組成。
新聞來源https://tw.news.yahoo.com/冥王星首張特寫照-冰山清晰可見-033504431.html
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