起初没人觉得这颗大概直径30英里为冰川所覆盖的卫星有什么特别的。直到后来卡西尼号太空船目睹到水蒸汽喷泉从卫星表面喷涌而出。
Nobody had ever thought of this roughly 300-mile-wide icy satellite as anything special-until the Cassini spacecraft witnessed geysers of water vapor blowing out from its surface.
这张照片的位置是在泰坦的北部，是去年七月，卡西尼号太空船飞过这颗云雾满布的土星卫星时，用雷达波段所拍摄的假色影像。
The above image is a false-color synthetic radar map of a northern region of Titan taken during a flyby of the cloudy moon by the robotic Cassini spacecraft last July.
这张照片的位置是在泰坦的北部，是去年七月，卡西尼号太空船飞过这颗云雾满布的土星卫星时，用雷达波段所拍摄的假色影像。
The above image is a false-color synthetic radar map of a northern region of Titan taken during a flyby of the cloudy moon by the robotic Cassini spacecraft last July.
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