简介 火星-水之世界为自然科学类纪录片,National Geographic 频道 2008 年出品,是 NG Naked Science 系列其中之一 注: Discovery Channel 频道购买了本片的播映权, 影片出版者仍是 National Geographic 频道。 关键词:天文学 太阳系 火星 航天器 空间探测器 On May 25, 2008, NASA's Phoenix Lander will enter the Martian atmosphere and land on its polar ice-cap in the last phase of a historic mission to investigate Mars' past by digging down i nto the soil and ice - something that has never been done before. Scientists hope that the mission will reveal a great deal about Mars' geological history, but the biggest question they seek to answe...